RequestParam to map the requested parameters
required must indicate whether the default is true
default value defaultValue request parameters
@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”;
}
?username=tom$age=30
testRequestparam,username:tom,age,30
