layUI的分頁不起作用


問題:點擊頁數無效,問題在總條數

1.前端分頁傳的是page,limit.

2.前端jq

    layui.use(['form', 'table'], function () {
        var $ = layui.jquery,
            form = layui.form,
            table = layui.table;

        table.render({
            elem: '#currentTableId',
            url: '/tuserList',
            toolbar: '#toolbarDemo',
            defaultToolbar: ['filter', 'exports', 'print', {
                title: '提示',
                layEvent: 'LAYTABLE_TIPS',
                icon: 'layui-icon-tips'
            }],
            cols: [[
                {type: "checkbox", width: 50},
                {field:'id', width:150, title: 'ID', sort: true},
                {field: 'username', width: 150, title: '用戶名'},
                {field: 'number', width: 150, title: '賬號', sort: true},
                {field: 'phone', width: 150, title: '手機號碼'},
                {field: 'email', title: '郵箱', minWidth: 150},
                {title: '操作', minWidth: 150, toolbar: '#currentTableBar', align: "center"}
            ]],
            limits: [10, 15, 20, 25, 50, 100],
            limit: 10,
           page: true,
            skin: 'line'
        });

        // 監聽搜索操作
        form.on('submit(data-search-btn)', function (data) {
            var username=$("#username").val();

            //執行搜索重載
            table.reload('currentTableId', {
                page: {
                    curr: 1
                }
                , where: {
                    username: username
                }
            }, 'data');

            return false;
        });

3.controller的分頁其中用到了分頁插件PageHelper,因為框架的問題所以返回的結果類型要一致

 /**
     * 使用分頁插件獲取用戶的list
     * @return
     */
    @RequestMapping(value = "/tuserList")
    @ResponseBody
    public JSONObject userList(HttpServletRequest request,TUser user, @RequestParam( required = false,value = "page",defaultValue = "1") int pageNum,@RequestParam( required = false,value = "limit",defaultValue = "10") int pageSize ){
        JSONObject jsonObject=new JSONObject();
        System.out.println(user.getUsername());
        System.out.println(request.getParameter("username"));
        List<TUser> list = userService.userPage(pageNum,pageSize,user);
        //使用分頁插件
        PageInfo<TUser> pageInfo=new PageInfo<>(list); if (CollectionUtils.isNotEmpty(list)){
            jsonObject.put("code",0);
            jsonObject.put("msg","請求成功");
            jsonObject.put("count",pageInfo.getTotal());
            jsonObject.put("data",pageInfo.getList());
        }
        return jsonObject;
    }

4.service層

    //用戶的分頁
    public List<TUser> userPage(int pageNum,int pageSize,TUser user);

5.serviceImpl層

    @Override
    public List<TUser> userPage(int pageNum,int pageSize,TUser user) {
        //查詢出全部數據
        PageHelper.startPage(pageNum,pageSize);
        List<TUser> userList=baseMapper.userPage(user);

        return userList;
    }

6.mapper層

    public List<TUser> userPage(@Param("user") TUser user);

7.mapper.xml

 <select id="userPage" resultType="com.jack.all.entity.TUser">
        select * from t_user
        <where>
            <if test="user.username !=null and user.username !=''">
                and username=#{user.username}
            </if>
        </where>
    </select>

8.maven插件包

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.3.5.RELEASE</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
    <groupId>com.jack</groupId>
    <artifactId>travel</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>travel</name>
    <description>Demo project for Spring Boot</description>
    <properties>
        <java.version>1.8</java.version>
    </properties>
    <dependencies>
        <!--thymeleaf前端html加載模板-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-thymeleaf</artifactId>
        </dependency>
        <!--加載Web前端界面-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>

        <!--數據庫連接-->
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <scope>runtime</scope>
        </dependency>

        <!--省略get/set方法-->
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <optional>true</optional>
        </dependency>

        <!-- mybatis plus 代碼生成器 -->
        <dependency>
            <groupId>com.baomidou</groupId>
            <artifactId>mybatis-plus-boot-starter</artifactId>
            <version>3.2.0</version>
        </dependency>
        <dependency>
            <groupId>com.baomidou</groupId>
            <artifactId>mybatis-plus-generator</artifactId>
            <version>3.2.0</version>
        </dependency>
        <!-- 模板引擎 -->
        <dependency>
            <groupId>org.apache.velocity</groupId>
            <artifactId>velocity-engine-core</artifactId>
            <version>2.0</version>
        </dependency>


        <!--freeMarker+servlet能動態攜帶數據生成html-->
        <dependency>
            <groupId>org.freemarker</groupId>
            <artifactId>freemarker</artifactId>
            <version>2.3.28</version>
        </dependency>

        <!--fastjson包json對象與json字符串的轉換-->
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>fastjson</artifactId>
            <version>1.2.47</version>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>

        <!--devtools熱部署-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-devtools</artifactId>
            <optional>true</optional>
            <scope>true</scope>
        </dependency>

        <!-- springboot分頁插件 -->
        <dependency>
            <groupId>com.github.pagehelper</groupId>
            <artifactId>pagehelper-spring-boot-starter</artifactId>
            <!-- 特別注意版本問題,-->
            <version>1.2.13</version>
        </dependency>

    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
                <configuration>
                    <excludes>
                        <exclude>
                            <groupId>org.projectlombok</groupId>
                            <artifactId>lombok</artifactId>
                        </exclude>
                    </excludes>
                </configuration>
            </plugin>
        </plugins>
    </build>

</project>

9.配置文件yml

server:
  port: 8081
  servlet:
    context-path: /

spring:
  datasource:
    driver-class-name: com.mysql.cj.jdbc.Driver
    url: jdbc:mysql://localhost:3306/db_travel?serverTimezone=Asia/Shanghai&useUnicode=true&characterEncoding=utf-8&zeroDateTimeBehavior=convertToNull&useSSL=false&allowPublicKeyRetrieval=true
    username: root
    password: 123456
  jackson:
    date-format: yyyy-MM-dd HH:mm:ss
    time-zone: GMT+8
    serialization:
      write-dates-as-timestamps: false
#  thymeleaf模板配置
  thymeleaf:
    prefix: classpath:/templates/
    suffix: .html
    mode: HTML5
    encoding: UTF-8
    cache: false
    #熱部署
  devtools:
    restart:
      enabled: true
      additional-paths: /**

mybatis-plus:
  configuration:
    map-underscore-to-camel-case: true
    auto-mapping-behavior: full
    log-impl: org.apache.ibatis.logging.stdout.StdOutImpl
  mapper-locations: classpath*:mapper/**/*Mapper.xml
  global-config:
    # 邏輯刪除配置
    db-config:
      # 刪除前
      logic-not-delete-value: 1
      # 刪除后
      logic-delete-value: 0 #分頁pageHelper pagehelper: helper-dialect: mysql reasonable: true support-methods-arguments: true params: count=countSql

 


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