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				@ -69,7 +69,7 @@ public class HttpUtil { 
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					 */ 
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					public static String sendPost(String url, String param) { 
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						StringBuffer buffer = new StringBuffer(); 
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						PrintWriter out = null; 
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						OutputStreamWriter osw = null; 
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						BufferedReader in = null; 
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						HttpURLConnection conn = null; 
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						try { 
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				@ -85,14 +85,14 @@ public class HttpUtil { 
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							conn.setRequestProperty("accept", "*/*"); 
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							conn.setRequestProperty("connection", "Keep-Alive"); 
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							conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)"); 
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							OutputStreamWriter osw = new OutputStreamWriter(conn.getOutputStream(), "UTF-8"); 
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							osw = new OutputStreamWriter(conn.getOutputStream(), "UTF-8"); 
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							osw.write(param.toString()); 
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							osw.flush(); 
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							// 读取返回内容 
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							BufferedReader br = new BufferedReader(new InputStreamReader(conn.getInputStream(), "UTF-8")); 
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							in = new BufferedReader(new InputStreamReader(conn.getInputStream(), "UTF-8")); 
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							String temp; 
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							while ((temp = br.readLine()) != null) { 
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							while ((temp = in.readLine()) != null) { 
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								buffer.append(temp); 
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								buffer.append("\n"); 
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							} 
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				@ -100,8 +100,8 @@ public class HttpUtil { 
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							logger.error("push message error:", e); 
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						} finally { 
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							try { 
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								if (out != null) { 
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									out.close(); 
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								if (osw != null) { 
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									osw.close(); 
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								} 
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								if (in != null) { 
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									in.close(); 
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