SpringMVC-请求参数的绑定和常用注解

基本类型和String类型作为参数

<a href = "test/testString?userName=aa">测试字符串</a>

@Controller
@RequestMapping("/test")
public class test{
    @RequestMapping("testString")
    public String testString(String userName){
        System.out.println("执行了");
        return "success";
    }
}<a href = "test/t