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SpringMVC實戰(五)-處理POST提交JSON資料

1.表單提交

2.JSON串

1、客戶端請求


        String url = "http://localhost:8080/order/create";
        String data = "{\"id\":3, \"category\":\"IT數碼\"}";
        try {
            String result = HttpUtils.post(url, data);
            System.out.println("result:"+result);
        } catch (Exception e) {
            e.printStackTrace();
        }

HttpUtils.java

package com.yirendai.rulebase.node.util;


import org.apache.http.HttpEntity;
import org.apache.http.HttpStatus;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.entity.GzipDecompressingEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import
org.apache.http.client.methods.HttpPost; import org.apache.http.entity.StringEntity; import org.apache.http.impl.client.CloseableHttpClient; import org.apache.http.util.EntityUtils; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import java.io.IOException; /** * ${DESCRIPTION} * * @author
Ricky Fung * @create 2016-06-24 13:11 */
public final class HttpUtils { private static final Logger logger = LoggerFactory.getLogger(HttpUtils.class); public static final int CONNECTION_TIMEOUT = 60*1000; public static final int SOCKET_TIMEOUT = 60*1000; public static final String USER_AGENT_HEADER = "Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/47.0.2526.80 Safari/537.36"; public static final String ACCEPT_HEADER = "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8"; public static final String ACCEPT_LANGUAGE_HEADER = "zh-CN,zh;q=0.8,en;q=0.6"; private static final CloseableHttpClient httpclient = HttpClientManager.getHttpClient();; public static String post(String url, String data) throws IOException { HttpPost httpPost = new HttpPost(url); httpPost.setHeader("User-Agent", USER_AGENT_HEADER); httpPost.setHeader("Accept", ACCEPT_HEADER); httpPost.setHeader("Accept-Language", ACCEPT_LANGUAGE_HEADER); RequestConfig requestConfig = RequestConfig.custom() .setConnectTimeout(CONNECTION_TIMEOUT) .setSocketTimeout(SOCKET_TIMEOUT).build(); httpPost.setConfig(requestConfig); CloseableHttpResponse response = null; try { StringEntity stringEntity = new StringEntity(data, "UTF-8"); stringEntity.setContentType("text/json"); httpPost.setEntity(stringEntity); httpPost.setHeader("Content-type", "application/json"); response = httpclient.execute(httpPost); int code = response.getStatusLine().getStatusCode(); if (code == HttpStatus.SC_OK) { HttpEntity entity = response.getEntity(); if(entity!=null){ // Gzip if (entity.getContentEncoding()!=null && "GZIP".equalsIgnoreCase(entity .getContentEncoding().getName())) { entity = new GzipDecompressingEntity(entity); } try{ return EntityUtils.toString(entity); }finally{ EntityUtils.consume(entity); } } } else { logger.error("server:{} response error, statusCode:{}", url, code); } } finally { if (response != null) { try { response.close(); } catch (IOException e) { logger.error("post error", e); } } } return null; } }

2、SpringMVC Controller處理

package com.ricky.codelab.springmvc.controller;

import com.alibaba.fastjson.JSON;
import com.ricky.codelab.springmvc.domain.Order;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;

import java.util.concurrent.atomic.AtomicLong;

/**
 * ${DESCRIPTION}
 *
 * @author Ricky Fung
 * @create 2016-07-26 10:08
 */
@Controller
@RequestMapping("/order")
public class OrderController {

    private AtomicLong counter = new AtomicLong(1);

    @RequestMapping(value = "/create", method = RequestMethod.POST)
    @ResponseBody
    public Oder create(@RequestBody String data){

        System.out.println("data:"+data);

        Order order = JSON.parseObject(data, Oder.class);
        order.setId(counter.getAndIncrement());

        return order;
    }

    @RequestMapping(value = "/add", method = RequestMethod.POST)
    @ResponseBody
    public Oder create(@RequestBody Order oder){

        System.out.println("order:"+ oder);
        oder.setId(counter.getAndIncrement());

        return oder;
    }
}

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