FE DK Debugging

Tue, 22 Mar 2016 03:23:24 +0000

Get Request:

Curl:

$ curl -i http://localhost:8080/api/test2.json\?name\=233
HTTP/1.1 200 OK
Server: Apache-Coyote/1.1
Content-Type: application/json;charset=UTF-8
Transfer-Encoding: chunked
Date: Tue, 17 May 2016 16:56:00 GMT

{"value":"233"}

Pic:

Java Spring Code:

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/**
 * @RestController
 * 获取 json 数据
 * @param name
 * @return model
 */
@RequestMapping("/api/test2.json")
public @ResponseBody ModelMap greeting(@RequestParam(value="name", defaultValue="World") String name) {
    ModelMap model = new ModelMap();
    System.out.println("hello");
    System.out.println("value " + name);
    model.addAttribute("value", name);
    return model;
}

Post Request:

Send Form:

Curl:

$ curl -d "id=2&content=Maoyan" http://localhost:8080/api/test.form

id=2&content=Maoyan

Pic:

Java Spring Code:

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/**
 * 定义 Greeting
 */
public class Greeting {
    private long id;
    private String content;

    public long getId() {
        return id;
    }

    public void setId(long id) {
        this.id = id;
    }

    public String getContent() {
        return content;
    }

    public void setContent(String content) {
        this.content = content;
    }
}

/**
 * @Controller
 * 发送 form 数据
 * @param greeting
 * @return String
 */
@RequestMapping(value="/api/test.form", method=RequestMethod.POST)
public @ResponseBody String printForm(Greeting greeting) {
    System.out.println("Hello, greeting form");
    System.out.println(greeting.getContent());
    System.out.println(greeting.getId());
    String result = "id=" + greeting.getId() + "&content=" + greeting.getContent();
    System.out.println(result);
    return result;
}

Send JSON:

Curl:

$ curl -H "Content-Type: application/json" -X POST -d '{"id":13313,"content":"dfasdf"}' http://localhost:8080/api/test.json

{"id":13313,"content":"dfasdf"}

Pic:

Java Spring Code:

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@ResponseBody
@RequestMapping(value="/api/test.json")
public ModelMap printJson(@RequestBody ModelMap model) {
    System.out.println("Hello, model");
    System.out.println(model);
    System.out.println(model.get("id")); // if not id, it will be null
    return model;
}

Warninig：

  • 有个槽点，我在 Java 老是想用单引号，然后报错了。。。
  • ResponseBody 和 RequestBody 是不一样的，同样的坑踩多了就愚蠢了。

References:

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