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<a href="springmvc/testRequestParam?username=atguigu&age=11">Test RequestParam</a>

/**
* @RequestParam 來映射請求參數. value 值即請求參數的參數名 required 該參數是否必須. 默認為 true
* defaultValue 請求參數的默認值
*/
@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;
}

SpringMvc@RequestParam 來映射請求參數