Jpa 報錯：HTTP Status 400 - Required String parameter 'xx' is not present

本文轉載自查看原文 2018-06-13 16:55 2131 錯誤集錦

一、問題描述

使用Springboot JPA 做分頁查詢，報錯Required String parameter 'xx' is not present，后端未接受到請求

二、解決方案：

使用的請求方法是GetMapping，這時候傳不了參數，需要改為PostMapping才會有效

錯誤源碼：

注意注解：@GetMapping

 1 package com.easylab.rentshop.controller;
 2 
 3 import com.easylab.rentshop.base.BaseResource;
 4 import com.easylab.rentshop.service.DepartmentService;
 5 import org.springframework.beans.factory.annotation.Autowired;
 6 import org.springframework.data.domain.Page;
 7 import org.springframework.web.bind.annotation.*;
 8 
 9 import java.util.Map;
10 
11 /******************************
12  * @author : liuyang
13  * <p>ProjectName:rent-shop  </p>
14  * @ClassName :  DepartmentController
15  * @date : 2018/6/13 0013
16  * @time : 15:31
17  * @createTime 2018-06-13 15:31
18  * @version : 2.0
19  * @description :
20  *
21  *
22  *
23  *******************************/
24 
25 @RestController
26 @RequestMapping("department")
27 public class DepartmentController {
28 
29 
30     @Autowired
31     private DepartmentService departmentService;
32 
33 
34     /**
35      * @param pageStr
36      * @param pageSizeStr
37      * @return Page
38      * <p>
39      * <p>
40      * required和defaultValue設置當請求沒有參數的時候，默認設置參數值為1
41      * 采用String類型接受，防止傳入abc這種情況導致程序死掉
42      */
43     @GetMapping("/departmentPage")
44     public Object departmentPage(@RequestParam(value = "pageStr", required = false, defaultValue = "1") String pageStr,
45                                  @RequestParam(value = "pageSizeStr") String pageSizeStr) {
46 
47         int pageNo = 1;
48 
49         try {
50             pageNo = Integer.valueOf(pageStr);
51 
52             if (pageNo < 1) {
53                 pageNo = 1;
54             }
55         } catch (Exception e) {
56         }
57 
58         int pageSize = 0;
59 
60         try {
61             pageSize = Integer.valueOf(pageSizeStr);
62 
63             if (pageSize < 1) {
64                 pageSize = 5;
65             }
66         } catch (Exception e) {
67         }
68 
69         Page page = departmentService.getPage(pageNo, pageSize);
70 
71         return new BaseResource(page);
72     }
73 
74 
75 }

View Code

修改后：

 1 package com.easylab.rentshop.controller;
 2 
 3 import com.easylab.rentshop.base.BaseResource;
 4 import com.easylab.rentshop.service.DepartmentService;
 5 import org.springframework.beans.factory.annotation.Autowired;
 6 import org.springframework.data.domain.Page;
 7 import org.springframework.web.bind.annotation.*;
 8 
 9 import java.util.Map;
10 
11 /******************************
12  * @author : liuyang
13  * <p>ProjectName:rent-shop  </p>
14  * @ClassName :  DepartmentController
15  * @date : 2018/6/13 0013
16  * @time : 15:31
17  * @createTime 2018-06-13 15:31
18  * @version : 2.0
19  * @description :
20  *
21  *
22  *
23  *******************************/
24 
25 @RestController
26 @RequestMapping("department")
27 public class DepartmentController {
28 
29 
30     @Autowired
31     private DepartmentService departmentService;
32 
33 
34     /**
35      * @param pageStr
36      * @param pageSizeStr
37      * @return Page
38      * <p>
39      * <p>
40      * required和defaultValue設置當請求沒有參數的時候，默認設置參數值為1
41      * 采用String類型接受，防止傳入abc這種情況導致程序死掉
42      */
43     @PostMapping("/departmentPage")
44     public Object departmentPage(@RequestParam(value = "pageStr", required = false, defaultValue = "1") String pageStr,
45                                  @RequestParam(value = "pageSizeStr") String pageSizeStr) {
46 
47         int pageNo = 1;
48 
49         try {
50             pageNo = Integer.valueOf(pageStr);
51 
52             if (pageNo < 1) {
53                 pageNo = 1;
54             }
55         } catch (Exception e) {
56         }
57 
58         int pageSize = 0;
59 
60         try {
61             pageSize = Integer.valueOf(pageSizeStr);
62 
63             if (pageSize < 1) {
64                 pageSize = 5;
65             }
66         } catch (Exception e) {
67         }
68 
69         Page page = departmentService.getPage(pageNo, pageSize);
70 
71         return new BaseResource(page);
72     }
73 
74 
75 }

View Code

使用PostMan進行接口測試：

免責聲明！

本站轉載的文章為個人學習借鑒使用，本站對版權不負任何法律責任。如果侵犯了您的隱私權益，請聯系本站郵箱yoyou2525@163.com刪除。

猜您在找 axios異步訪問后台 @RequestParam 獲取參數 HTTP Status 400 - Required String parameter 'xx' is not present 400錯誤，Required String parameter 'paramter' is not present required string parameter XXX is not present required string parameter XXX is not present Required String parameter 'images' is not present 后台接收參數報錯 Required String parameter 'id' is not present required string parameter 'XXX'is not present 的幾種情況關於Required String parameter ‘×××‘ is not present解決方法 Vue前台向后台傳遞數據報錯------Required String parameter 'username' is not present org.springframework.web.bind.MissingServletRequestParameterException: Required String parameter 'xxx' is not present 報錯解決

Jpa 報錯 ：HTTP Status 400 - Required String parameter 'xx' is not present

免責聲明！

Jpa 報錯：HTTP Status 400 - Required String parameter 'xx' is not present