控制器层如何@Valid启用验证？

在controller(控制器)中的方法上面写有注解@Valid User的作用

注意：

备注：这里一个@Valid的参数后必须紧挨着一个BindingResult 参数，否则spring会在校验不通过时直接抛出异常，BindingResult是springmvc的一个验证框架。

是对该User实体进行校验，在User类中的属性上使用spring的注解：

原文地址：https://www.cnblogs.com/hzyhx/p/11105148.html

时间： 2024-10-14 08:11:20

控制器层如何@Valid启用验证？的相关文章

对于社保截止日接口的学习记录---在yii1.1中控制器层对服务层的调用

在控制器层对服务层进行调用服务层分两种,一种是公共service,这个的路径是protecprotected/module/service 一种是单独的service,这个的路径是protected/module/service 在控制器层,对公共service调用的话,只要实例化这个service就好了. 如下面的例子,我就在公共的controller里面增加了一个方法,然后对公共service进行调用和处理 publicfunctionactionTestsocial(){ $so = n

Spring 控制器层如何启用验证？

示例代码 1 2 3 4 5 6 7 8 9 10 11 @PostMapping("/adduser") public String addUser(@Valid User user,BindingResult bindingResult) {//第一步和第二步 if(bindingResult.hasErrors()) {//第三步 return "add-user"; } userDao.getUs

[LeetCode] Valid Sudoku 验证数独

Determine if a Sudoku is valid, according to: Sudoku Puzzles - The Rules. The Sudoku board could be partially filled, where empty cells are filled with the character '.'. A partially filled sudoku which is valid. Note:A valid Sudoku board (partially

[LeetCode] Valid Parentheses 验证括号

Given a string containing just the characters '(', ')', '{', '}', '[' and ']', determine if the input string is valid. The brackets must close in the correct order, "()" and "()[]{}" are all valid but "(]" and "([)]"

[LeetCode] Valid Square 验证正方形

Given the coordinates of four points in 2D space, return whether the four points could construct a square. The coordinate (x,y) of a point is represented by an integer array with two integers. Example: Input: p1 = [0,0], p2 = [1,1], p3 = [1,0], p4 =

[LintCode] Valid Number 验证数字

Validate if a given string is numeric. Have you met this question in a real interview? Yes Example "0" => true " 0.1 " => true "abc" => false "1 a" => false "2e10" => true LeetCode上的原题,请参见我之

[LintCode] Valid Palindrome 验证回文字符串

Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases. Notice Have you consider that the string might be empty? This is a good question to ask during an interview. For the purpose of this problem

Valid Number 验证数字

Validate if a given string is numeric. Some examples:"0" => true" 0.1 " => true"abc" => false"1 a" => false"2e10" => true Note: It is intended for the problem statement to be ambiguous. You

Play Framework介绍:控制器层

业务逻辑代码通常位于模型(model)层.客户端(比如浏览器)无法直接调用其中的代码,所以模型对象提供的功能,必须作为资源以URI方式暴露给外部. 客户端使用HTTP协议来操作这些资源,从而调用了内部的业务逻辑.但是,这种从资源到模型之间的映射是单向的:我们可以根据需要提供不同粒度的资源,可以虚拟出一些资源,还可以给某些资源起别名... Controller层就是专门做这件事的:在模型层与传输层之间搭起一座桥梁.它使用与模型层同一种语言,以便访问和修改模型对象,但同时它又跟HTTP接口一样,是面