JAVA 调用webservice不同返回值类型的方法

第一种：返回XML

public void XXX(ActionMapping mapping, ActionForm actionForm, HttpServletRequest request, HttpServletResponse response) throws Exception { String limitStr = URLDecoder.decode(request.getParameter("limit"),"utf-8"); String offsetStr = URLDecoder.decode(request.getParameter("offset"),"utf-8"); String projectNo = URLDecoder.decode(request.getParameter("projectNo"),"utf-8"); if("null".equals(projectNo)) projectNo=""; int limit= Integer.parseInt(limitStr); int offset =Integer.parseInt(offsetStr); String start=String.valueOf((limit-1)*offset+1); String end=String.valueOf(limit*offset); //int start=(limit-1)*offset+1; //int end=limit*offset;// HttpClientUtil httpClientUtil = new HttpClientUtil();// Map createMap = new HashMap();// createMap.put("method", "GetAdviceData");// createMap.put("start", start);// createMap.put("end", end);// createMap.put("projectNo", "");// // String returnJson = httpClientUtil.doPost(adviceDataUrl, createMap,// "UTF-8");// responseJson.writeJsonToResponse(returnJson,response); String endpoint = ”XXX.asmx“;

String targetNamespace = "http://tempuri.org/"; //所调用接口的方法method String method = "XXX"; // 创建一个服务(service)调用(call) Service service = new Service(); Call call = (Call) service.createCall();// 通过service创建call对象 // 设置service所在URL call.setTargetEndpointAddress(new java.net.URL(endpoint)); call.setOperationName(new QName(targetNamespace, method)); //变量最好只是用String类型，其他类型会报错 call.addParameter(new QName(targetNamespace, "projectNo"), Constants.XSD_STRING,javax.xml.rpc.ParameterMode.IN); call.addParameter(new QName(targetNamespace, "start"), Constants.XSD_STRING,javax.xml.rpc.ParameterMode.IN); call.addParameter(new QName(targetNamespace, "end"), Constants.XSD_STRING,javax.xml.rpc.ParameterMode.IN); call.setUseSOAPAction(true); //call.setReturnType(org.apache.axis.encoding.XMLType.XSD_STRING);// 设置返回类型 call.setReturnType( Constants.XSD_STRING); call.setEncodingStyle(endpoint); call.setSOAPActionURI(targetNamespace +method); String jsonString = (String) call.invoke(new Object[] { projectNo,start,end }); //此处为数组，有几个变量传几个变量 JSONObject obj=JSONObject.fromObject(jsonString); String obj1= obj.getString("Table"); String cnt="0"; if(obj.has("Table1")) { String obj2=obj.getString("Table1"); JSONObject objcnt=JSONObject.fromObject(obj2); cnt=objcnt.getString("number"); } String json="{\"rows\":"+obj1+","+"\"total\":"+cnt+"}"; responseJson.writeJsonToResponse(json,response); }

第二种：返回字符串

public static String sendPost(String url, String param) { PrintWriter out = null; BufferedReader in = null; String result = ""; try { URL realUrl = new URL(url); // 打开和URL之间的连接 URLConnection conn = realUrl.openConnection(); // 设置通用的请求属性 conn.setRequestProperty("accept", "*/*"); conn.setRequestProperty("connection", "Keep-Alive"); conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)"); // 发送POST请求必须设置如下两行 conn.setDoOutput(true); conn.setDoInput(true); // 获取URLConnection对象对应的输出流 // out = new PrintWriter(conn.getOutputStream()); out = new PrintWriter(new OutputStreamWriter(conn.getOutputStream(),"UTF-8")); // 发送请求参数 out.print(param); // flush输出流的缓冲 out.flush(); // 定义BufferedReader输入流来读取URL的响应 in = new BufferedReader( new InputStreamReader(conn.getInputStream(),"UTF-8"));//流的编码格式 String line; while ((line = in.readLine()) != null) { result += line; } } catch (Exception e) { System.out.println("发送 POST 请求出现异常！"+e); e.printStackTrace(); } //使用finally块来关闭输出流、输入流 finally{ try{ if(out!=null){ out.close(); } if(in!=null){ in.close(); } } catch(IOException ex){ ex.printStackTrace(); } } return result; }

// 调用

 Stirng url=xxx.asmx/XXX;

string para="";

sendPost(url,para);