新增分页、条件查询实例

Author: chenjunwen

src/main/java/com/tuling/common/utils/PageUitls.java

@@ -3,7 +3,7 @@
 import io.swagger.annotations.ApiModelProperty;
 
 /**
- * 分页实体
+ * 分页实体用户返回数据
  * cjw 2017年8月23日14:15:46
  * 643969814@qq.com
  * @param <T>
@@ -24,7 +24,7 @@ public PageUitls(Page<T> page){
     @ApiModelProperty("总页数")
     private Integer pages;
 
-    @ApiModelProperty("当前页")
+    @ApiModelProperty(value = "当前页",example = "1")
     private Integer currPage;
 
     @ApiModelProperty("每页条数")

src/main/java/com/tuling/controller/UserController.java

@@ -1,5 +1,7 @@
 package com.tuling.controller;
-
+import com.alibaba.fastjson.JSON;
+import com.github.pagehelper.Page;
+import com.tuling.common.utils.PageUitls;
 import com.tuling.common.validator.Assert;
 import com.tuling.common.validator.ValidatorUtil;
 import com.tuling.common.validator.group.AddGroup;
@@ -17,7 +19,7 @@
 import org.springframework.web.bind.annotation.*;
 import org.springframework.web.servlet.mvc.support.RedirectAttributes;
 import java.util.Date;
-import java.util.List;
+import java.util.Map;
 
 /**
  * Created by Administrator on 2017/8/1.
@@ -65,7 +67,6 @@ public ResponseEntity<String> logout(){
     @RequestMapping(method = RequestMethod.POST)
     @ApiOperation(value="创建用户", notes="根据User对象创建用户")
     @ApiImplicitParam(name = "user", value = "用户详细实体user",dataTypeClass = User.class)
-    @ResponseBody
     public ResponseEntity<String> createUser(User user){
         ValidatorUtil.validateEntity(user, AddGroup.class);//校验用户实体字段，
         userService.createUser(user);
@@ -81,7 +82,6 @@ public ResponseEntity<String> updateUser(@RequestBody User user){
     }
 
     @RequestMapping(value = "/{id}",method = RequestMethod.DELETE)
-    @ResponseBody
     @ApiOperation(value="删除用户", notes="根据url的id来指定删除对象")
     @ApiImplicitParam(name = "id", value = "用户ID", required = true, dataType = "int",paramType = "path")
     public ResponseEntity<String> delUser(@PathVariable("id")Integer id){
@@ -90,7 +90,6 @@ public ResponseEntity<String> delUser(@PathVariable("id")Integer id){
     }
 
     @RequestMapping(value = "/{id}",method = RequestMethod.GET)
-    @ResponseBody
     @ApiOperation(value="获取用户详细信息", notes="根据url的id来获取用户详细信息")
     @ApiImplicitParam(name = "id", value = "用户ID", required = true, dataType = "int",paramType = "path")
     public ResponseEntity<User> getUserById(@PathVariable("id") Integer id){
@@ -100,9 +99,18 @@ public ResponseEntity<User> getUserById(@PathVariable("id") Integer id){
 
     @ApiOperation(value = "用户列表")
     @RequestMapping(method = RequestMethod.GET)
-    @ResponseBody
-    public ResponseEntity<List<User>> getUserList(){
-        List<User> users = userService.getUsers();
-        return ResponseEntity.ok(users);
+    @ApiImplicitParams({
+            @ApiImplicitParam(name = "currPage",value = "当前页",paramType = "query"),
+            @ApiImplicitParam(name = "sort",value = "排序 ASC 或 DESC",required = false,example = "asc/desc",paramType = "query"),
+            @ApiImplicitParam(name = "orderBy",value = "排序字段",required = false,example = "createdTime",paramType = "query"),
+            @ApiImplicitParam(name = "pageSize",value = "每页显示条数",required = false,example = "createdTime",paramType = "query"),
+            //@ApiImplicitParam(name = "startTime",value = "开始时间",dataType = "long",paramType = "query"),如果时间类型则可以打开
+            //@ApiImplicitParam(name = "endTime",value = "结束时间",dataType = "long",paramType = "query"),
+            @ApiImplicitParam(name = "filter",value = "通用表过滤器。发送JSON键/值对，如<code>{“key”:“value”}</code>。", paramType = "query",dataTypeClass = JSON.class)
+
+    })
+    public ResponseEntity<PageUitls<User>> getUserList(@RequestParam @ApiParam(hidden = true) Map<String,String> params){
+        Page<User> page =  userService.getUsers(params);
+        return ResponseEntity.ok(new PageUitls<User>(page));
     }
 }

src/main/java/com/tuling/service/UserService.java

@@ -1,8 +1,10 @@
 package com.tuling.service;
 
+import com.github.pagehelper.Page;
 import com.tuling.modal.User;
 
 import java.util.List;
+import java.util.Map;
 
 /**
  * Created by Administrator on 2017/8/1.
@@ -12,7 +14,7 @@ public interface UserService {
      *  获取用户信息
      * @return
      */
-    List<User> getUsers();
+    Page<User> getUsers(Map<String,String> params);
 
     /**
      * 登录

src/main/java/com/tuling/service/impl/UserServiceImpl.java

@@ -1,5 +1,7 @@
 package com.tuling.service.impl;
 
+import com.github.pagehelper.Page;
+import com.tuling.common.utils.Common;
 import com.tuling.common.utils.MD5Util;
 import com.tuling.common.utils.RedisUtil;
 import com.tuling.modal.User;
@@ -8,9 +10,12 @@
 import com.tuling.mapper.UserMapper;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
+import tk.mybatis.mapper.entity.Condition;
+import tk.mybatis.mapper.entity.Example;
 
 import java.util.Date;
 import java.util.List;
+import java.util.Map;
 
 /**
  * Created by Administrator on 2017/8/1.
@@ -25,9 +30,11 @@ public class UserServiceImpl  extends AbstractService<User> implements UserServi
     RedisUtil redis;
 
     @Override
-    public List<User> getUsers() {
-        redis.set("name","chenjunwen");
-        return findAll();
+    public Page<User> getUsers(Map<String,String> params) {
+        //redis.set("name","chenjunwen"); reids测试
+        Condition serviceCondition = Common.getServiceCondition(params, User.class);
+        List<User> orders = findByCondition(serviceCondition);
+        return (Page<User>) orders;
     }
 
     @Override