buildBarCode.java
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package com.sy.crossDomain;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import org.springframework.stereotype.Component;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.Map;
@Component
public class buildBarCode {
private static String CREATEBARCODE = "http://10.50.7.11:8088/publiclogistics/createVehicleBarCode";
private static String CANCLEBARCODE = "http://10.50.7.11:8088/publiclogistics/cancelVehicleBarCode";
// 发送数据并接收返回数据
public static String sendData(String url, String json) {
StringBuilder str = new StringBuilder();
BufferedReader bf = null;
OutputStreamWriter writer = null;
try {
URL Url = new URL(url);
HttpURLConnection conn = (HttpURLConnection) Url.openConnection();
conn.setDoInput(true);
conn.setDoOutput(true);
conn.setRequestProperty("X-Rrquested-With", "XMLHttpRequest");
conn.setRequestProperty("Connection", "keep-alive");
conn.setRequestProperty("Content-Type", "application/json;charset=UTF-8");
conn.setRequestMethod("POST");
conn.connect();
writer = new OutputStreamWriter(conn.getOutputStream(), "UTF-8");
writer.write(json);
writer.flush();
bf = new BufferedReader(new InputStreamReader(conn.getInputStream(), "UTF-8"));
String inputLine = null;
while ((inputLine = bf.readLine()) != null) {
str.append(inputLine);
}
} catch (MalformedURLException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} finally {
try {
writer.close();
bf.close();
} catch (IOException e) {
e.printStackTrace();
}
}
return str.toString();
}
// 解析返回的json里的data数据
public static Map jsonFormat(String json) {
JSONObject jsonObject = JSONObject.parseObject(json);
Object data = jsonObject.get("data");
Map map =null;
if(data!=null) {
String content = "[" + data.toString() + "]";
JSONArray jsonArray = JSONArray.parseArray(content);
map= JSON.parseObject(jsonArray.getString(0));
}
return map;
}
// 生成二维码
public static String CreateBarCode(String carCode,String carColor,String mainifist) {
String json = "{\"token\":\"samples\",\"data\":{\"vehicle_no\":\""+carCode+"\"," +
"\"vehicle_no_color\":\"黄\",\"vehicle_rela_id\":\""+mainifist+"\"}}";
String content = buildBarCode.sendData(CREATEBARCODE, json);
Map map = buildBarCode.jsonFormat(content);
return map.get("vehicle_bar_code").toString();
}
// 取消二维码
public static void cancleBarCode(String frameNo) {
String json = "{\"token\":\"samples\",\"data\":{\"vehicle_no\":\""+frameNo+"\",\"vehicle_no_color\":\"黄\"}}";
buildBarCode.sendData(CANCLEBARCODE, json);
}
}