spring mvc3提高生产力之——利用annotation使前后台数据交互更透明

<script type="text/javascript"src="jquery-1.4.min.js"></script>
<h1>button与链接效果一致</h1>
<a href="simple?name=text&age=28">simple</a><button onclick="simple()">simple</button><br/>
<script type="text/javascript">
function simple(){
  $.getJSON("simple",{"name":"nameJsonTest","age":"100"},function(){});
}
</script>
<a href="list?names[]=aaaa&names[]=bbbb">list</a><button onclick="list()">list</button><br/>
<script type="text/javascript">
function list(){
  $.getJSON("list",{"names":["name1","name2","name3"]},function(){});
}
</script>
<a href="pojo?pojo[pojoName]=hahaha&pojo[pojoValue]=kkkkkk">pojo</a><button onclick="pojo()">pojo</button><br/>
<script type="text/javascript">
function pojo(){
  $.getJSON("pojo",{"pojo":{"pojoName":"testName","pojoValue":"testValue"}},function(){});
}
</script>
<a href="rest/10/2">rest</a><button onclick="rest()">rest</button><br/>
<script type="text/javascript">
function rest(){
  var pageSize = 20;
  var pageNo = 3;
  $.getJSON("rest/"+pageSize+"/"+pageNo,{},function(){});
}
</script> 

package sample;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;

@Controller
@RequestMapping(value="/urlparam")
public class UrlParamController {
  @RequestMapping(value="/", method=RequestMethod.GET)
  public String index(){
    return"urlparam/index";
  }
 
  @RequestMapping(value="/simple", method=RequestMethod.GET)
  public void simple(@RequestParam String name, @RequestParam Integer age){
    System.out.println("name:"+name);
    System.out.println("age:"+age);
  }

  //list内不能放POJO对象
  @RequestMapping(value="/list", method=RequestMethod.GET)
  public void list(@RequestParam("names[]") String[] names){ 
  //也可以用List<String> names来接收
  for(String name : names){
    System.out.println("name:"+name);
  }
}

  //单URL目前还不支持POJO对象，只能支持键值对，希望spring以后有所改善
  @RequestMapping(value="/pojo", method=RequestMethod.GET)
  public void pojo(@RequestParam("pojo[pojoName]") String name, @RequestParam("pojo[pojoValue]") String value){
    System.out.println("name:"+name);
    System.out.println("value:"+value);
  }

  @RequestMapping(value="/rest/{pageSize}/{pageNo}", method=RequestMethod.GET)
  public void rest(@PathVariable Integer pageSize, @PathVariable Integer pageNo){
    System.out.println("pageSize:"+pageSize);
    System.out.println("pageNo:"+pageNo);
  }
}