springmvc之处理模型数据Map

SpringmvcTest.java

@RequestMapping("/springmvc")
@Controller
public class SpringmvcTest {
    private static final String SUCCESS = "success";
    
    @RequestMapping(value="/testMap")
    public String testMap(Map<String,Object> map) {
        map.put("names", Arrays.asList("tom","jack","bob"));
        return SUCCESS;
    }
}

Index.jsp

<a href="springmvc/testMap">testMap</a>

success.jsp

    <p>Success</p>
    <p>names：${requestScope.names}</p>

启动服务器之后：

 

点击：

 

实际上传入的也可以是Model和ModelMap类型的参数。