java http 接口制定_java調用http接口
1.Post方法工具類
public static String verifyBossData(String data){
if(StringUtils.isBlank(data)){
return null;
}
//獲取配置文件中url
String url = MongoDBUtil.getSystemParamKeyValue("bossServerUrl");
String result = null;
if(StringUtils.isNotBlank(data)){
BufferedReader reader = null;
HttpURLConnection conn = null;
OutputStreamWriter out = null;
StringBuffer strBuf = null;
try {
URL myUrl = new URL(url);
conn = (HttpURLConnection) myUrl.openConnection();
conn.setConnectTimeout(10000);
conn.setRequestMethod("POST");
conn.setDoInput(true);
conn.setDoOutput(true);
conn.setUseCaches(false);//POST請求不能使用緩存
conn.setRequestProperty("charset", "UTF-8");
strBuf = new StringBuffer();
out = new OutputStreamWriter(conn.getOutputStream(), "UTF-8");
// 發送請求參數
out.write(data);
// flush輸出流的緩沖
out.flush();
//讀取URL的響應
reader = new BufferedReader(new InputStreamReader(conn.getInputStream(),"UTF-8"));
String line =null;
while ((line = reader.readLine()) != null) {
strBuf.append(line);
}
result = strBuf.toString();
} catch (Exception e) {
e.printStackTrace();
}finally{
try {
if(out!=null){
out.close();
}
if(reader!=null){
reader.close();
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
return result;
}
2.Get方法工具類
注意：若data中包含空格，需要特殊處理
data =?URLEncoder.encode(data, "UTF-8");
public static String sendGet(String data){
if(StringUtils.isBlank(data)){
return null;
}
//獲取配置文件中url
String url = MongoDBUtil.getSystemParamKeyValue("bossServerUrl");
String result = null;
if(StringUtils.isNotBlank(data)){
//拼接URL
url += "?"+data;
BufferedReader reader = null;
HttpURLConnection conn = null;
OutputStreamWriter out = null;
StringBuffer strBuf = null;
try {
URL myUrl = new URL(url);
conn = (HttpURLConnection) myUrl.openConnection();
conn.setConnectTimeout(10000);
conn.setRequestMethod("Get");
conn.setDoInput(true);
conn.setDoOutput(true);
conn.setRequestProperty("charset", "UTF-8");
strBuf = new StringBuffer();
//讀取URL的響應
reader = new BufferedReader(new InputStreamReader(conn.getInputStream(),"UTF-8"));
String line =null;
while ((line = reader.readLine()) != null) {
strBuf.append(line);
}
result = strBuf.toString();
} catch (Exception e) {
e.printStackTrace();
}finally{
try {
if(out!=null){
out.close();
}
if(reader!=null){
reader.close();
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
return result;
}
ps:引用大神提供的資料http://blog.csdn.net/u010648555/article/details/49365211
總結
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