update

add new function: student info query

project2/out/artifacts/project2_war_exploded/WEB-INF/classes/applicationContext.xml

@@ -39,12 +39,25 @@
     </bean>
     <!-- 配置静态资源处理器 -->
     <mvc:resources mapping="/resources/**" location="/resources/"/>
-    <mvc:view-controller path="/" view-name="login" />
+    <mvc:view-controller path="/" view-name="login"/>
 
     <bean id="sqlSession" class="org.mybatis.spring.SqlSessionTemplate">
-        <constructor-arg index="0" ref="sqlSessionFactory" />
+        <constructor-arg index="0" ref="sqlSessionFactory"/>
     </bean>
 
+<!--    <bean id="characterEncodingFilter" class="org.springframework.boot.web.servlet.FilterRegistrationBean">-->
+<!--        <property name="filter">-->
+<!--            <bean class="org.springframework.web.filter.CharacterEncodingFilter">-->
+<!--                <property name="encoding" value="UTF-8"/>-->
+<!--                <property name="forceEncoding" value="true"/>-->
+<!--            </bean>-->
+<!--        </property>-->
+<!--        <property name="urlPatterns">-->
+<!--            <list>-->
+<!--                <value>/*</value>-->
+<!--            </list>-->
+<!--        </property>-->
+<!--    </bean>-->
 
 </beans>
                                                                                                                                         

project2/out/artifacts/project2_war_exploded/WEB-INF/classes/mapper/StudentMapper.xml

@@ -7,30 +7,34 @@
         SELECT * FROM student
     </select>
 
-    <select id="getQueryStudents" resultType="cyou.chenx221.pojo.Student">
+    <select id="getQueryStudents" parameterType="cyou.chenx221.pojo.Student" resultType="cyou.chenx221.pojo.Student">
         SELECT * FROM student
-        WHERE
+        WHERE 1=1
         <if test="name != null and name != ''">
-            name = #{name}
+            AND name = #{name}
+        </if>
+        <if test="sex != null and sex != ''">
+            AND sex = #{sex}
         </if>
         <if test="birthday != null">
             AND birthday = #{birthday}
         </if>
-        <if test="option != null and option != ''">
-            AND sex = #{option}
-            # option = "男" or "女"
-        </if>
-        <if test="id != 0">
-            AND id = #{id}
-        </if>
         <if test="phone != null and phone != ''">
             AND phone = #{phone}
         </if>
-        <if test="classes != null and classes.size() > 0">
+        <if test="id != -1">
+            AND id = #{id}
+        </if>
+    </select>
+    <select id="getQueryStudents2" parameterType="cyou.chenx221.pojo.Student" resultType="cyou.chenx221.pojo.Student">
+        SELECT * FROM student
+        WHERE 1=1
+        <if test="classess != null and classess.size() > 0">
             AND classes IN
-            <foreach item="item" index="index" collection="classes" open="(" separator="," close=")">
-                #{item}
+            <foreach item="className" collection="classess" open="(" separator="," close=")">
+                #{className}
             </foreach>
         </if>
     </select>
+
 </mapper>

project2/out/artifacts/project2_war_exploded/WEB-INF/web.xml

@@ -16,4 +16,21 @@
         <servlet-name>dispatcherServlet</servlet-name>
         <url-pattern>/</url-pattern>
     </servlet-mapping>
+    <filter>
+        <filter-name>encodingFilter</filter-name>
+        <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
+        <init-param>
+            <param-name>encoding</param-name>
+            <param-value>UTF-8</param-value>
+        </init-param>
+        <init-param>
+            <param-name>forceEncoding</param-name>
+            <param-value>true</param-value>
+        </init-param>
+    </filter>
+
+    <filter-mapping>
+        <filter-name>encodingFilter</filter-name>
+        <url-pattern>/*</url-pattern>
+    </filter-mapping>
 </web-app>

project2/pom.xml

@@ -82,13 +82,6 @@
             <version>8.0.28</version>
         </dependency>
 
-        <!-- log4j -->
-        <dependency>
-            <groupId>org.apache.logging.log4j</groupId>
-            <artifactId>log4j-core</artifactId>
-            <version>2.20.0</version>
-        </dependency>
-
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>druid</artifactId>
@@ -97,7 +90,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.12</version>
+            <version>4.13.1</version>
             <scope>compile</scope>
         </dependency>
         <dependency>
@@ -124,7 +117,7 @@
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-databind</artifactId>
-            <version>2.9.2</version>
+            <version>2.12.7.1</version>
         </dependency>
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
@@ -146,7 +139,7 @@
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-core</artifactId>
-            <version>2.10.0</version>
+            <version>2.12.4</version>
         </dependency>
     </dependencies>
 </project>

project2/src/main/java/cyou/chenx221/controller/StudentController.java

@@ -2,6 +2,7 @@ package cyou.chenx221.controller;
 
 import cyou.chenx221.pojo.Student;
 import cyou.chenx221.service.StudentService;
+import org.springframework.format.annotation.DateTimeFormat;
 import org.springframework.stereotype.Controller;
 import org.springframework.ui.Model;
 import org.springframework.web.bind.annotation.GetMapping;
@@ -12,6 +13,8 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Controller;
 import org.springframework.web.bind.annotation.*;
 
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
 import java.util.Date;
 import java.util.List;
 
@@ -37,19 +40,41 @@ public class StudentController {
         return "studentListQuery"; // 重定向到 dashboard 页面
     }
 
-    @PostMapping(value = "/query",produces = "application/x-www-form-urlencoded;charset=UTF-8")
-    public String getQueryStudents(@RequestParam(value = "name", required = true) String name,
-                                   @RequestParam(value = "birthday", required = false) Date birthday,
-                                   @RequestParam(value = "inlineRadioOptions", required = false) String option,
-                                   @RequestParam(value = "student-id", required = false) int id,
-                                   @RequestParam(value = "phone", required = false) String phone,
-                                   @RequestParam(value = "class", required = false) List<String> classes,
+    @PostMapping(value = "/query", produces = "application/x-www-form-urlencoded;charset=UTF-8")
+    public String getQueryStudents(@RequestParam(value = "name", defaultValue = "null", required = false) String name,
+                                   @RequestParam(value = "birthday", defaultValue = "#{null}", required = false) Date birthday,
+                                   @RequestParam(value = "inlineRadioOptions", defaultValue = "null", required = false) String option,
+                                   @RequestParam(value = "student-id", defaultValue = "-1", required = false) int id,
+                                   @RequestParam(value = "phone", defaultValue = "null", required = false) String phone,
+                                   @RequestParam(value = "classes", defaultValue = "", required = false) List<String> classes,
                                    Model model) {
-        System.out.println("name:" + name + " birthday:" + birthday + " option:" + option + " id:" + id + " phone:" + phone);//debug
-//        List<Student> students = studentService.getQueryStudents(name, birthday, option, id, phone, classes);
-//        model.addAttribute("students", students);
-//        return "studenQueryResult"; // 重定向到 dashboard 页面
-        return "success";
+        //根据classes是否为空，判断是否需要查询班级，如果为空则不需要查询班级，如果不为空则仅查询班级
+        //debug
+        System.out.println("name: " + name);
+        System.out.println("birthday: " + birthday);
+        System.out.println("option: " + option);
+        System.out.println("id: " + id);
+        System.out.println("phone: " + phone);
+        System.out.println("classes: " + classes);
+
+        List<Student> students;
+        Student student;
+        if (classes.size() == 0) {
+            if (name.equals("null")) name = null;
+            if (option.equals("null")) option = null;
+            if (phone.equals("null")) phone = null;
+            student = new Student(id, name, option, birthday, phone);
+            students = studentService.getQueryStudents(student);
+        } else {
+            if (classes.size() == 1 && classes.get(0).equals("")) classes = null;
+            student = new Student(classes);
+            students = studentService.getQueryStudents2(student);
+        }
+
+
+        model.addAttribute("students", students);
+        return "studentQueryResult"; // 重定向到 dashboard 页面
+//        return "success";
     }
 
 //    // 示例：处理查询学生信息的请求

project2/src/main/java/cyou/chenx221/mapper/StudentDao.java

@@ -14,5 +14,6 @@ public interface StudentDao {
     Student getStudentById(int studentId);
     List<Student> getAllStudents();
 
-    List<Student> getQueryStudents(String name, Date birthday, String option, int id, String phone, List<String> classes);
+    List<Student> getQueryStudents(Student student);
+    List<Student> getQueryStudents2(Student student);
 }

project2/src/main/java/cyou/chenx221/mapper/impl/StudentDaoImpl.java

@@ -47,15 +47,11 @@ public class StudentDaoImpl implements StudentDao {
     }
 
     @Override
-    public List<Student> getQueryStudents(String name, Date birthday, String option, int id, String phone, List<String> classes) {
-        Map<String, Object> parameters = new HashMap<>();
-        parameters.put("name", name);
-        parameters.put("birthday", birthday);
-        parameters.put("option", option);
-        parameters.put("id", id);
-        parameters.put("phone", phone);
-        parameters.put("classes", classes);
-
-        return sqlSession.selectList("cyou.chenx221.mapper.StudentDao.getQueryStudents", parameters);
+    public List<Student> getQueryStudents(Student student) {
+        return sqlSession.selectList("cyou.chenx221.mapper.StudentDao.getQueryStudents", student);
+    }
+    @Override
+    public List<Student> getQueryStudents2(Student student){
+        return sqlSession.selectList("cyou.chenx221.mapper.StudentDao.getQueryStudents2", student);
     }
 }

project2/src/main/java/cyou/chenx221/pojo/Student.java

@@ -5,6 +5,7 @@ import org.springframework.format.annotation.DateTimeFormat;
 import java.text.ParseException;
 import java.text.SimpleDateFormat;
 import java.util.Date;
+import java.util.List;
 
 public class Student {
     private Integer id;
@@ -14,8 +15,15 @@ public class Student {
     private Date birthday;
     private String phone;
     private String classes;
+    private List<String> classess;
 
+    public List<String> getClassess() {
+        return classess;
+    }
 
+    public void setClassess(List<String> classess) {
+        this.classess = classess;
+    }
 
     public Integer getId() {
         return id;
@@ -57,6 +65,9 @@ public class Student {
         this.phone = phone;
     }
 
+    public Student(List<String> classess) {
+        this.classess = classess;
+    }
 
     public Student(Integer id, String name, String sex, Date birthday, String phone, String classes) {
         this.id = id;
@@ -67,6 +78,14 @@ public class Student {
         this.classes = classes;
     }
 
+    public Student(Integer id, String name, String sex, Date birthday, String phone) {
+        this.id = id;
+        this.name = name;
+        this.sex = sex;
+        this.birthday = birthday;
+        this.phone = phone;
+    }
+
     public Student() {
     }
 

project2/src/main/java/cyou/chenx221/service/StudentService.java

@@ -35,7 +35,11 @@ public class StudentService {
         return studentDao.getAllStudents();
     }
 
-    public List<Student> getQueryStudents(String name, Date birthday, String option, int id, String phone, List<String> classes) {
-        return studentDao.getQueryStudents(name,birthday,option,id,phone,classes);
+    public List<Student> getQueryStudents(Student student) {
+        return studentDao.getQueryStudents(student);
+    }
+
+    public List<Student> getQueryStudents2(Student student) {
+        return studentDao.getQueryStudents2(student);
     }
 }

project2/src/main/resources/applicationContext.xml

@@ -39,12 +39,25 @@
     </bean>
     <!-- 配置静态资源处理器 -->
     <mvc:resources mapping="/resources/**" location="/resources/"/>
-    <mvc:view-controller path="/" view-name="login" />
+    <mvc:view-controller path="/" view-name="login"/>
 
     <bean id="sqlSession" class="org.mybatis.spring.SqlSessionTemplate">
-        <constructor-arg index="0" ref="sqlSessionFactory" />
+        <constructor-arg index="0" ref="sqlSessionFactory"/>
     </bean>
 
+<!--    <bean id="characterEncodingFilter" class="org.springframework.boot.web.servlet.FilterRegistrationBean">-->
+<!--        <property name="filter">-->
+<!--            <bean class="org.springframework.web.filter.CharacterEncodingFilter">-->
+<!--                <property name="encoding" value="UTF-8"/>-->
+<!--                <property name="forceEncoding" value="true"/>-->
+<!--            </bean>-->
+<!--        </property>-->
+<!--        <property name="urlPatterns">-->
+<!--            <list>-->
+<!--                <value>/*</value>-->
+<!--            </list>-->
+<!--        </property>-->
+<!--    </bean>-->
 
 </beans>
                                                                                                                                         

project2/src/main/resources/mapper/StudentMapper.xml

@@ -7,30 +7,34 @@
         SELECT * FROM student
     </select>
 
-    <select id="getQueryStudents" resultType="cyou.chenx221.pojo.Student">
+    <select id="getQueryStudents" parameterType="cyou.chenx221.pojo.Student" resultType="cyou.chenx221.pojo.Student">
         SELECT * FROM student
-        WHERE
+        WHERE 1=1
         <if test="name != null and name != ''">
-            name = #{name}
+            AND name = #{name}
+        </if>
+        <if test="sex != null and sex != ''">
+            AND sex = #{sex}
         </if>
         <if test="birthday != null">
             AND birthday = #{birthday}
         </if>
-        <if test="option != null and option != ''">
-            AND sex = #{option}
-            # option = "男" or "女"
-        </if>
-        <if test="id != 0">
-            AND id = #{id}
-        </if>
         <if test="phone != null and phone != ''">
             AND phone = #{phone}
         </if>
-        <if test="classes != null and classes.size() > 0">
+        <if test="id != -1">
+            AND id = #{id}
+        </if>
+    </select>
+    <select id="getQueryStudents2" parameterType="cyou.chenx221.pojo.Student" resultType="cyou.chenx221.pojo.Student">
+        SELECT * FROM student
+        WHERE 1=1
+        <if test="classess != null and classess.size() > 0">
             AND classes IN
-            <foreach item="item" index="index" collection="classes" open="(" separator="," close=")">
-                #{item}
+            <foreach item="className" collection="classess" open="(" separator="," close=")">
+                #{className}
             </foreach>
         </if>
     </select>
+
 </mapper>

project2/web/WEB-INF/web.xml

@@ -16,4 +16,21 @@
         <servlet-name>dispatcherServlet</servlet-name>
         <url-pattern>/</url-pattern>
     </servlet-mapping>
+    <filter>
+        <filter-name>encodingFilter</filter-name>
+        <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
+        <init-param>
+            <param-name>encoding</param-name>
+            <param-value>UTF-8</param-value>
+        </init-param>
+        <init-param>
+            <param-name>forceEncoding</param-name>
+            <param-value>true</param-value>
+        </init-param>
+    </filter>
+
+    <filter-mapping>
+        <filter-name>encodingFilter</filter-name>
+        <url-pattern>/*</url-pattern>
+    </filter-mapping>
 </web-app>