new function: output csv file
Signed-off-by: Chenx221 <chenx221@yandex.com>
This commit is contained in:
parent
885e2651ed
commit
f5a85585d2
@ -46,6 +46,8 @@
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<element id="library" level="project" name="Maven: org.springframework:spring-web:5.3.27" />
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<element id="library" level="project" name="Maven: org.springframework:spring-webmvc:5.3.27" />
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<element id="library" level="project" name="Maven: taglibs:standard:1.1.2" />
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<element id="library" level="project" name="Maven: org.apache.commons:commons-csv:1.10.0" />
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<element id="library" level="project" name="Maven: commons-io:commons-io:2.12.0" />
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</element>
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</element>
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</root>
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@ -23,6 +23,8 @@
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<security:intercept-url pattern="/dashboard" access="hasRole('admin')"/>
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<security:intercept-url pattern="/student/**" access="hasRole('admin')"/>
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<security:intercept-url pattern="/course/**" access="hasRole('admin')"/>
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<security:intercept-url pattern="/score/**" access="hasRole('admin')"/>
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<security:intercept-url pattern="/output/**" access="hasRole('admin')"/>
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<!-- 未登录状态下会自动跳转到/login登录页-->
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<security:form-login login-page="/login"
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default-target-url="/dashboard"
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@ -130,7 +130,19 @@
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style="background-image: url('${pageContext.request.contextPath}/resources/img/jason-blackeye-nyL-rzwP-Mk-unsplash.jpg'); margin-top: -58.59px;">
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<div class="mask d-flex align-items-center h-100" style="background-color: hsla(0, 0%, 100%, 0.5);">
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<div class="container d-flex justify-content-center">
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<button type="button" class="btn btn-primary" onclick="location.href='../dashboard'">返回</button>
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<div>
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<div class="row">
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<div class="col-12">
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<button type="button" class="btn btn-primary" onclick="location.href='../dashboard'">返回
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</button>
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</div>
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</div>
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<div class="row">
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<div class="col-12">
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<button type="button" class="btn btn-primary" onclick="exportCSV()">导出</button>
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</div>
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</div>
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</div>
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<div class="table-container rounded-4 shadow-3-strong"
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style="background-color: rgba(255,255,255,0.9); overflow-y: auto; max-height: 400px;">
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<table class="table table-striped table-hover border-primary">
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@ -166,7 +178,18 @@
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<script type="text/javascript" src="${pageContext.request.contextPath}/resources/js/mdb.min.js"></script>
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<script>
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function exportCSV() {
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// 构造请求 URL，根据需要导出的类型传递参数
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var exportUrl = '/output/export-csv?type=course'; // 示例：导出学生数据
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var link = document.createElement('a');
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link.href = exportUrl;
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link.style.display = 'none';
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document.body.appendChild(link);
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link.click();
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document.body.removeChild(link);
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}
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</script>
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</body>
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@ -130,7 +130,20 @@
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style="background-image: url('${pageContext.request.contextPath}/resources/img/jason-blackeye-nyL-rzwP-Mk-unsplash.jpg'); margin-top: -58.59px;">
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<div class="mask d-flex align-items-center h-100" style="background-color: hsla(0, 0%, 100%, 0.5);">
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<div class="container d-flex justify-content-center">
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<button type="button" class="btn btn-primary" onclick="location.href='../dashboard'">返回</button>
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<div>
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<div class="row">
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<div class="col-12">
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<button type="button" class="btn btn-primary" onclick="location.href='../dashboard'">返回
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</button>
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</div>
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</div>
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<div class="row">
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<div class="col-12">
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<button type="button" class="btn btn-primary" onclick="exportCSV()">导出</button>
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</div>
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</div>
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</div>
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<div class="table-container rounded-4 shadow-3-strong"
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style="background-color: rgba(255,255,255,0.9); overflow-y: auto; max-height: 400px;">
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<table class="table table-striped table-hover border-primary">
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@ -138,6 +151,8 @@
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<tr>
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<th scope="col">成绩ID</th>
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<th scope="col">学号</th>
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<th scope="col">学生姓名</th>
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<th scope="col">课程ID</th>
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<th scope="col">课程名</th>
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<th scope="col">成绩</th>
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</tr>
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@ -147,6 +162,8 @@
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<tr>
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<td>${score.scoreID}</td>
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<td>${score.student.id}</td>
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<td>${score.student.name}</td>
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<td>${score.course.courseID}</td>
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<td>${score.course.courseName}</td>
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<td>${score.score}</td>
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</tr>
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@ -168,7 +185,18 @@
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<script type="text/javascript" src="${pageContext.request.contextPath}/resources/js/mdb.min.js"></script>
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<script>
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function exportCSV() {
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// 构造请求 URL，根据需要导出的类型传递参数
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var exportUrl = '/output/export-csv?type=score'; // 示例：导出学生数据
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var link = document.createElement('a');
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link.href = exportUrl;
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link.style.display = 'none';
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document.body.appendChild(link);
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link.click();
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document.body.removeChild(link);
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}
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</script>
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</body>
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@ -130,7 +130,19 @@
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style="background-image: url('${pageContext.request.contextPath}/resources/img/jason-blackeye-nyL-rzwP-Mk-unsplash.jpg'); margin-top: -58.59px;">
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<div class="mask d-flex align-items-center h-100" style="background-color: hsla(0, 0%, 100%, 0.5);">
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<div class="container d-flex justify-content-center">
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<button type="button" class="btn btn-primary" onclick="location.href='../dashboard'">返回</button>
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<div>
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<div class="row">
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<div class="col-12">
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<button type="button" class="btn btn-primary" onclick="location.href='../dashboard'">返回
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</button>
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</div>
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</div>
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<div class="row">
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<div class="col-12">
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<button type="button" class="btn btn-primary" onclick="exportCSV()">导出</button>
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</div>
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</div>
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</div>
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<div class="table-container rounded-4 shadow-3-strong"
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style="background-color: rgba(255,255,255,0.9); overflow-y: auto; max-height: 400px;">
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<table class="table table-striped table-hover border-primary">
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@ -172,7 +184,18 @@
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<script type="text/javascript" src="${pageContext.request.contextPath}/resources/js/mdb.min.js"></script>
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<script>
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function exportCSV() {
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// 构造请求 URL，根据需要导出的类型传递参数
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var exportUrl = '/output/export-csv?type=student'; // 示例：导出学生数据
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var link = document.createElement('a');
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link.href = exportUrl;
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link.style.display = 'none';
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document.body.appendChild(link);
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link.click();
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document.body.removeChild(link);
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}
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</script>
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</body>
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@ -156,5 +156,15 @@
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<artifactId>log4j-core</artifactId>
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<version>2.12.4</version>
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</dependency>
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<dependency>
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<groupId>org.apache.commons</groupId>
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<artifactId>commons-csv</artifactId>
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<version>1.10.0</version>
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</dependency>
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<dependency>
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<groupId>commons-io</groupId>
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<artifactId>commons-io</artifactId>
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<version>2.12.0</version>
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</dependency>
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</dependencies>
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</project>
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@ -0,0 +1,127 @@
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package cyou.chenx221.controller;
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import cyou.chenx221.pojo.Course;
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import cyou.chenx221.pojo.Score;
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import cyou.chenx221.pojo.Student;
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import cyou.chenx221.service.CourseService;
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import cyou.chenx221.service.ScoreService;
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import cyou.chenx221.service.StudentService;
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import org.apache.commons.csv.CSVFormat;
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import org.apache.commons.csv.CSVPrinter;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.web.bind.annotation.GetMapping;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RequestParam;
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import org.springframework.web.bind.annotation.RestController;
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import javax.servlet.http.HttpServletResponse;
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import java.io.IOException;
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import java.io.OutputStream;
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import java.io.OutputStreamWriter;
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import java.io.PrintWriter;
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import java.nio.charset.StandardCharsets;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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@RestController
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@RequestMapping("/output")
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public class OutputController {
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@Autowired
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private StudentService studentService;
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@Autowired
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private CourseService courseService;
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@Autowired
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private ScoreService scoreService;
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@GetMapping("/export-csv")
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public void exportCSV(HttpServletResponse response, @RequestParam("type") String type) throws IOException {
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response.setHeader("Content-Disposition", "attachment; filename=export.csv");
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response.setContentType("text/csv; charset=UTF-8"); // 设置字符编码为UTF-8
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response.setCharacterEncoding("UTF-8"); // 设置响应字符编码为UTF-8
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List<String> headers;
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List<List<String>> data;
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switch (type) {
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case "student" -> {
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headers = Arrays.asList("学生ID", "学生姓名", "性别", "出生日期", "联系方式", "班级");
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List<Student> students = studentService.getAllStudents(); // 根据实际情况获取学生数据
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data = transformStudentsToData(students);
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}
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case "course" -> {
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headers = Arrays.asList("课程ID", "课程名", "课程描述");
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List<Course> courses = courseService.getAllCourses(); // 根据实际情况获取课程数据
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data = transformCoursesToData(courses);
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}
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case "score" -> {
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headers = Arrays.asList("成绩ID", "学生ID", "学生姓名", "课程ID", "课程名称", "成绩");
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List<Score> scores = scoreService.getAllScores(); // 根据实际情况获取成绩数据
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data = transformScoresToData(scores);
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}
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default -> throw new IllegalArgumentException("Invalid export type: " + type);
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}
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// 使用 Apache Commons CSV 构建 CSV 输出
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try (OutputStream outputStream = response.getOutputStream();
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OutputStreamWriter outputStreamWriter = new OutputStreamWriter(outputStream, StandardCharsets.UTF_8);
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CSVPrinter csvPrinter = new CSVPrinter(outputStreamWriter, CSVFormat.DEFAULT)) {
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csvPrinter.printRecord(headers);
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for (List<String> row : data) {
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csvPrinter.printRecord(row);
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}
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csvPrinter.flush();
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}
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}
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// 辅助方法：将学生对象列表转换为数据列表
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private List<List<String>> transformStudentsToData(List<Student> students) {
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List<List<String>> data = new ArrayList<>();
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for (Student student : students) {
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List<String> rowData = Arrays.asList(
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String.valueOf(student.getId()),
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student.getName(),
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student.getSex(),
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student.getBirthday().toString(),
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String.valueOf(student.getPhone()),
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String.valueOf(student.getClasses())
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);
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data.add(rowData);
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}
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return data;
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}
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// 辅助方法：将课程对象列表转换为数据列表
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private List<List<String>> transformCoursesToData(List<Course> courses) {
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List<List<String>> data = new ArrayList<>();
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for (Course course : courses) {
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List<String> rowData = Arrays.asList(
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String.valueOf(course.getCourseID()),
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course.getCourseName(),
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course.getDescription()
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);
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data.add(rowData);
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}
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return data;
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}
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// 辅助方法：将成绩对象列表转换为数据列表
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private List<List<String>> transformScoresToData(List<Score> scores) {
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List<List<String>> data = new ArrayList<>();
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for (Score score : scores) {
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List<String> rowData = Arrays.asList(
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String.valueOf(score.getScoreID()),
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String.valueOf(score.getStudent().getId()),
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score.getStudent().getName(),
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String.valueOf(score.getCourse().getCourseID()),
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score.getCourse().getCourseName(),
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String.valueOf(score.getScore())
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);
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data.add(rowData);
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}
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return data;
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}
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}
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<security:intercept-url pattern="/dashboard" access="hasRole('admin')"/>
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<security:intercept-url pattern="/student/**" access="hasRole('admin')"/>
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<security:intercept-url pattern="/course/**" access="hasRole('admin')"/>
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<security:intercept-url pattern="/score/**" access="hasRole('admin')"/>
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<security:intercept-url pattern="/output/**" access="hasRole('admin')"/>
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<!-- 未登录状态下会自动跳转到/login登录页-->
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<security:form-login login-page="/login"
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default-target-url="/dashboard"
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@ -130,7 +130,19 @@
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style="background-image: url('${pageContext.request.contextPath}/resources/img/jason-blackeye-nyL-rzwP-Mk-unsplash.jpg'); margin-top: -58.59px;">
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<div class="mask d-flex align-items-center h-100" style="background-color: hsla(0, 0%, 100%, 0.5);">
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<div class="container d-flex justify-content-center">
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<button type="button" class="btn btn-primary" onclick="location.href='../dashboard'">返回</button>
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<div>
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<div class="row">
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<div class="col-12">
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<button type="button" class="btn btn-primary" onclick="location.href='../dashboard'">返回
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</button>
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</div>
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</div>
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<div class="row">
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<div class="col-12">
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<button type="button" class="btn btn-primary" onclick="exportCSV()">导出</button>
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</div>
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</div>
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</div>
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<div class="table-container rounded-4 shadow-3-strong"
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style="background-color: rgba(255,255,255,0.9); overflow-y: auto; max-height: 400px;">
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<table class="table table-striped table-hover border-primary">
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@ -166,7 +178,18 @@
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<script type="text/javascript" src="${pageContext.request.contextPath}/resources/js/mdb.min.js"></script>
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<script>
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function exportCSV() {
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// 构造请求 URL，根据需要导出的类型传递参数
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var exportUrl = '/output/export-csv?type=course'; // 示例：导出学生数据
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var link = document.createElement('a');
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link.href = exportUrl;
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link.style.display = 'none';
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document.body.appendChild(link);
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link.click();
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document.body.removeChild(link);
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}
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</script>
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</body>
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@ -130,7 +130,20 @@
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style="background-image: url('${pageContext.request.contextPath}/resources/img/jason-blackeye-nyL-rzwP-Mk-unsplash.jpg'); margin-top: -58.59px;">
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<div class="mask d-flex align-items-center h-100" style="background-color: hsla(0, 0%, 100%, 0.5);">
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<div class="container d-flex justify-content-center">
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<button type="button" class="btn btn-primary" onclick="location.href='../dashboard'">返回</button>
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<div>
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<div class="row">
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<div class="col-12">
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<button type="button" class="btn btn-primary" onclick="location.href='../dashboard'">返回
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</button>
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</div>
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</div>
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<div class="row">
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<div class="col-12">
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<button type="button" class="btn btn-primary" onclick="exportCSV()">导出</button>
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</div>
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</div>
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</div>
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<div class="table-container rounded-4 shadow-3-strong"
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style="background-color: rgba(255,255,255,0.9); overflow-y: auto; max-height: 400px;">
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<table class="table table-striped table-hover border-primary">
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@ -138,6 +151,8 @@
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<tr>
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<th scope="col">成绩ID</th>
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<th scope="col">学号</th>
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<th scope="col">学生姓名</th>
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<th scope="col">课程ID</th>
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<th scope="col">课程名</th>
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<th scope="col">成绩</th>
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</tr>
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@ -147,6 +162,8 @@
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<tr>
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<td>${score.scoreID}</td>
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<td>${score.student.id}</td>
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<td>${score.student.name}</td>
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<td>${score.course.courseID}</td>
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<td>${score.course.courseName}</td>
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<td>${score.score}</td>
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</tr>
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@ -168,7 +185,18 @@
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<script type="text/javascript" src="${pageContext.request.contextPath}/resources/js/mdb.min.js"></script>
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<script>
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function exportCSV() {
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// 构造请求 URL，根据需要导出的类型传递参数
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var exportUrl = '/output/export-csv?type=score'; // 示例：导出学生数据
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var link = document.createElement('a');
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link.href = exportUrl;
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link.style.display = 'none';
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document.body.appendChild(link);
|
||||
link.click();
|
||||
document.body.removeChild(link);
|
||||
}
|
||||
</script>
|
||||
|
||||
</body>
|
||||
|
||||
|
||||
@ -130,7 +130,19 @@
|
||||
style="background-image: url('${pageContext.request.contextPath}/resources/img/jason-blackeye-nyL-rzwP-Mk-unsplash.jpg'); margin-top: -58.59px;">
|
||||
<div class="mask d-flex align-items-center h-100" style="background-color: hsla(0, 0%, 100%, 0.5);">
|
||||
<div class="container d-flex justify-content-center">
|
||||
<button type="button" class="btn btn-primary" onclick="location.href='../dashboard'">返回</button>
|
||||
<div>
|
||||
<div class="row">
|
||||
<div class="col-12">
|
||||
<button type="button" class="btn btn-primary" onclick="location.href='../dashboard'">返回
|
||||
</button>
|
||||
</div>
|
||||
</div>
|
||||
<div class="row">
|
||||
<div class="col-12">
|
||||
<button type="button" class="btn btn-primary" onclick="exportCSV()">导出</button>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
<div class="table-container rounded-4 shadow-3-strong"
|
||||
style="background-color: rgba(255,255,255,0.9); overflow-y: auto; max-height: 400px;">
|
||||
<table class="table table-striped table-hover border-primary">
|
||||
@ -172,7 +184,18 @@
|
||||
|
||||
|
||||
<script type="text/javascript" src="${pageContext.request.contextPath}/resources/js/mdb.min.js"></script>
|
||||
|
||||
<script>
|
||||
function exportCSV() {
|
||||
// 构造请求 URL，根据需要导出的类型传递参数
|
||||
var exportUrl = '/output/export-csv?type=student'; // 示例：导出学生数据
|
||||
var link = document.createElement('a');
|
||||
link.href = exportUrl;
|
||||
link.style.display = 'none';
|
||||
document.body.appendChild(link);
|
||||
link.click();
|
||||
document.body.removeChild(link);
|
||||
}
|
||||
</script>
|
||||
|
||||
</body>
|
||||
|
||||
|
||||
Reference in New Issue
Block a user