spring mvc 5.0 RequestParam详解 06
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在SpringMVC后台控制层获取参数的方式主要有两种,一种是request.getParameter("name"),另外一种是用注解@RequestParam直接获取。这里主要讲这个注解
/** * @RequestParam 来映射请求参数. value 值即请求参数的参数名 required 该参数是否必须. 默认为 true * defaultValue 请求参数的默认值 */@RequestMapping(value = "/testRequestParam")public String testRequestParam(@RequestParam(value = "username") String un,@RequestParam(value = "age", required = false, defaultValue = "0") int age) {System.out.println("testRequestParam, username: " + un + ", age: "+ age);return SUCCESS;}
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