Android与Asp.net webApi参数传递
来源：互联网 发布：淘宝上的主板能买吗 编辑：程序博客网 时间：2024/06/01 22:17
参考：
http://www.cnblogs.com/babycool/p/3922738.html
HttpUrlConnection：
package com.example.newapibean;import java.io.ByteArrayOutputStream;import java.io.IOException;import java.io.InputStream;import java.io.OutputStream;import java.net.HttpURLConnection;import java.net.URL;import java.util.zip.GZIPInputStream;import com.alibaba.fastjson.JSONObject;import com.example.shancc.utils.LogUtils;/** * 来源参考： * http://www.cnblogs.com/babycool/p/3922738.html */public class WebApiTest { /** * Get请求：没有参数 * // GET api/values public IEnumerable<string> Get() { return new string[] { "value1", "value2" }; } */ public static void httpConnGet() { String resultString = null; HttpURLConnection conn = null; InputStream inputStream = null; ByteArrayOutputStream bos = null; try { String srcUrl = "http://url/api/values"; URL url = new URL(srcUrl ); conn = (HttpURLConnection) url.openConnection(); conn.setReadTimeout(10000); conn.setConnectTimeout(10000); conn.setRequestMethod("GET"); // 请求头必须设置，参数必须正确。 conn.setRequestProperty("Accept", "application/json,text/html;q=0.9,image/webp,*/*;q=0.8"); conn.setRequestProperty("Cache-Control", "max-age=0"); conn.setDoInput(true); conn.setDoOutput(false); conn.connect(); int responseCode = conn.getResponseCode(); if (responseCode == 200 || true) { if (null != conn.getHeaderField("Content-Encoding")) { inputStream = new GZIPInputStream(conn.getInputStream()); } else { inputStream = conn.getInputStream(); } bos = new ByteArrayOutputStream(); byte[] buffer = new byte[10240]; int len = -1; while ((len = inputStream.read(buffer)) != -1) { bos.write(buffer, 0, len); } bos.flush(); byte[] resultByte = bos.toByteArray(); LogUtils.d(resultByte.length + ""); resultString = new String(resultByte); } else { LogUtils.e("httpUtils", "ResponseCode:" + responseCode); } LogUtils.d(resultString + ""); } catch (Exception e) { e.printStackTrace(); } finally { if (conn != null) { conn.disconnect(); } if (inputStream != null) { try { inputStream.close(); } catch (IOException e) { e.printStackTrace(); } } if (bos != null) { try { bos.close(); } catch (IOException e) { e.printStackTrace(); } } } } /** Get添加单个参数请求： 注意：请求是key值和Get(string value)里的值相同。 [HttpGet] public string Get(string value) { string userName = value; HttpContent content = Request.Content; return "dddd"; } */ public void getParamTest(){ String resultString = null; HttpURLConnection conn = null; InputStream inputStream = null; ByteArrayOutputStream bos = null; try { String srcUrl = "http://url/api/GetName" + "?value=dabao"; URL url = new URL(srcUrl); conn = (HttpURLConnection) url.openConnection(); conn.setReadTimeout(10000); conn.setConnectTimeout(10000); conn.setRequestMethod("GET"); conn.setRequestProperty("Accept", "application/json,text/html;q=0.9,image/webp,*/*;q=0.8"); conn.setRequestProperty("Cache-Control", "max-age=0"); conn.setDoInput(true); conn.setDoOutput(false); conn.connect(); int responseCode = conn.getResponseCode(); if (responseCode == 200 || true) { if (null != conn.getHeaderField("Content-Encoding")) { inputStream = new GZIPInputStream(conn.getInputStream()); } else { inputStream = conn.getInputStream(); } bos = new ByteArrayOutputStream(); byte[] buffer = new byte[10240]; int len = -1; while ((len = inputStream.read(buffer)) != -1) { bos.write(buffer, 0, len); } bos.flush(); byte[] resultByte = bos.toByteArray(); LogUtils.d(resultByte.length + ""); resultString = new String(resultByte); } else { LogUtils.e("httpUtils", "ResponseCode:" + responseCode); } LogUtils.d(resultString + ""); } catch (Exception e) { e.printStackTrace(); } finally { if (conn != null) { conn.disconnect(); } if (inputStream != null) { try { inputStream.close(); } catch (IOException e) { e.printStackTrace(); } } if (bos != null) { try { bos.close(); } catch (IOException e) { e.printStackTrace(); } } }} /** * 1.post无参数请求 * 2.post单个参数请求 */ /** [HttpPost] public string Post([FromBody]string value) { return "dddd"; } 通过上面的测试我就也能够猜测到，Web API 要求请求传递的 [FromBody] 参数，肯定是有一个特定的格式，才能被正确的获取到。而这种特定的格式并不是我们常见的 key=value 的键值对形式。Web API 的模型绑定器希望找到 [FromBody] 里没有键名的值，也就是说， 不是 key=value ，而是 =value 。 * */ public void httpConnPostString() { String paramsString = "=" + "value"; String resultString = null; HttpURLConnection conn = null; InputStream inputStream = null; ByteArrayOutputStream bos = null; try { String srcUrl = "http://url/api/GetName"; URL url = new URL(srcUrl ); conn = (HttpURLConnection) url.openConnection(); conn.setReadTimeout(10000); conn.setConnectTimeout(10000); conn.setRequestMethod("POST"); conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded"); conn.setDoInput(true); conn.setDoOutput(true); conn.setUseCaches(false); conn.connect(); // 传入参数 OutputStream outputStream = conn.getOutputStream(); outputStream.write(paramsString.getBytes()); int responseCode = conn.getResponseCode(); if (responseCode == 200 || true) { if (null != conn.getHeaderField("Content-Encoding")) { inputStream = new GZIPInputStream(conn.getInputStream()); } else { inputStream = conn.getInputStream(); } bos = new ByteArrayOutputStream(); byte[] buffer = new byte[10240]; int len = -1; while ((len = inputStream.read(buffer)) != -1) { bos.write(buffer, 0, len); } bos.flush(); byte[] resultByte = bos.toByteArray(); LogUtils.d(resultByte.length + ""); resultString = new String(resultByte); } else { LogUtils.e("httpUtils", "ResponseCode:" + responseCode); } LogUtils.d(resultString + ""); } catch (Exception e) { e.printStackTrace(); } finally { if (conn != null) { conn.disconnect(); } if (inputStream != null) { try { inputStream.close(); } catch (IOException e) { e.printStackTrace(); } } if (bos != null) { try { bos.close(); } catch (IOException e) { e.printStackTrace(); } } } } /** Post传递多个参数 服务器需要使用一个Bean进行接收，属性名称需要一致 [HttpPost] public string Post([FromBody]User value) { string userName = value.UserName; return value.UserName +","+value.Age; } */ public void postParamsTest(){ String resultString = null; HttpURLConnection conn = null; InputStream inputStream = null; ByteArrayOutputStream bos = null; try { String srcUrl = "http://url/api/GetName"; URL url = new URL(srcUrl ); conn = (HttpURLConnection) url.openConnection(); conn.setReadTimeout(10000); conn.setConnectTimeout(10000); conn.setRequestMethod("POST"); conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded"); conn.setDoInput(true); conn.setDoOutput(true); conn.setUseCaches(false); conn.connect(); String paramsString = "UserName=dabao&Age=21"; //传入参数 OutputStream outputStream = conn.getOutputStream(); outputStream.write(paramsString.getBytes()); int responseCode = conn.getResponseCode(); if (responseCode == 200 || true) { if (null != conn.getHeaderField("Content-Encoding")) { inputStream = new GZIPInputStream(conn.getInputStream()); } else { inputStream = conn.getInputStream(); } bos = new ByteArrayOutputStream(); byte[] buffer = new byte[10240]; int len = -1; while ((len = inputStream.read(buffer)) != -1) { bos.write(buffer, 0, len); } bos.flush(); byte[] resultByte = bos.toByteArray(); LogUtils.d(resultByte.length + ""); resultString = new String(resultByte); } else { LogUtils.e("httpUtils", "ResponseCode:" + responseCode); } LogUtils.d(resultString + ""); } catch (Exception e) { e.printStackTrace(); } finally { if (conn != null) { conn.disconnect(); } if (inputStream != null) { try { inputStream.close(); } catch (IOException e) { e.printStackTrace(); } } if (bos != null) { try { bos.close(); } catch (IOException e) { e.printStackTrace(); } } } } /** Post提交多个参数：参数格式使用Json 服务器代码： [HttpPost] public string Post([FromBody]User value) { string userName = value.UserName; return value.UserName +","+value.Age; } */ public void postParamsJson(){ String resultString = null; HttpURLConnection conn = null; InputStream inputStream = null; ByteArrayOutputStream bos = null; try { String srcUrl = "http://url/api/GetName"; URL url = new URL(srcUrl); conn = (HttpURLConnection) url.openConnection(); conn.setReadTimeout(10000); conn.setConnectTimeout(10000); conn.setRequestMethod("POST"); conn.setRequestProperty("Content-Type", "application/json"); conn.setDoInput(true); conn.setDoOutput(true); conn.setUseCaches(false); conn.connect(); JSONObject object = new JSONObject(); object.put("UserName", "dabao"); object.put("Age", "21"); String paramsString = object.toJSONString(); //传入参数 OutputStream outputStream = conn.getOutputStream(); outputStream.write(paramsString.getBytes()); int responseCode = conn.getResponseCode(); if (responseCode == 200 || true) { if (null != conn.getHeaderField("Content-Encoding")) { inputStream = new GZIPInputStream(conn.getInputStream()); } else { inputStream = conn.getInputStream(); } bos = new ByteArrayOutputStream(); byte[] buffer = new byte[10240]; int len = -1; while ((len = inputStream.read(buffer)) != -1) { bos.write(buffer, 0, len); } bos.flush(); byte[] resultByte = bos.toByteArray(); LogUtils.d(resultByte.length + ""); resultString = new String(resultByte); } else { LogUtils.e("httpUtils", "ResponseCode:" + responseCode); } LogUtils.d(resultString + ""); } catch (Exception e) { e.printStackTrace(); } finally { if (conn != null) { conn.disconnect(); } if (inputStream != null) { try { inputStream.close(); } catch (IOException e) { e.printStackTrace(); } } if (bos != null) { try { bos.close(); } catch (IOException e) { e.printStackTrace(); } } } }}HttpClient:
package com.example.newapibean;import java.util.ArrayList;import java.util.List;import org.apache.http.HttpEntity;import org.apache.http.HttpResponse;import org.apache.http.HttpStatus;import org.apache.http.NameValuePair;import org.apache.http.client.entity.UrlEncodedFormEntity;import org.apache.http.client.methods.HttpGet;import org.apache.http.client.methods.HttpPost;import org.apache.http.entity.StringEntity;import org.apache.http.impl.client.DefaultHttpClient;import org.apache.http.message.BasicNameValuePair;import org.apache.http.util.EntityUtils;import com.alibaba.fastjson.JSONObject;import com.example.shancc.utils.LogUtils;/** * 来源参考： * http://www.cnblogs.com/babycool/p/3922738.html */public class WebApiHttpClientTest { /** * Get无参数请求： // GET api/values public IEnumerable<string> Get() { return new string[] { "value1", "value2" }; } */ public static void getTest(){ try { String url = "http://url/api/values"; org.apache.http.client.HttpClient httpClient = new DefaultHttpClient(); HttpGet httpGet = new HttpGet(url); HttpResponse execute = httpClient.execute(httpGet); int statusCode = execute.getStatusLine().getStatusCode(); if(statusCode == HttpStatus.SC_OK){ String string = EntityUtils.toString(execute.getEntity()); LogUtils.d(string); } } catch (Exception e) { e.printStackTrace(); } } /** Get添加单个参数请求： 注意：请求是key值和Get(string value)里的值相同。 [HttpGet] public string Get(string value) { return "dddd"; } */ public void getParamTest(){ try { String url = "http://url/api/GetName?value=dabao"; org.apache.http.client.HttpClient httpClient = new DefaultHttpClient(); HttpGet httpGet = new HttpGet(url); HttpResponse execute = httpClient.execute(httpGet); int statusCode = execute.getStatusLine().getStatusCode(); if(statusCode == HttpStatus.SC_OK){ String string = EntityUtils.toString(execute.getEntity()); LogUtils.d(string); } } catch (Exception e) { e.printStackTrace(); } } /** *Post传递单个参数 [HttpPost] public string Post([FromBody]string value) { return "dddd"; } */ public void postParamTest(){ try { String url = "http://url/api/GetName";// String url = "http://url/api/values"; HttpPost httpPost = new HttpPost(url); org.apache.http.client.HttpClient httpClient = new DefaultHttpClient(); List<NameValuePair> parameters = new ArrayList<>();; parameters.add(new BasicNameValuePair("", "value")); HttpEntity entity = new UrlEncodedFormEntity(parameters , "UTF-8");// HttpEntity entity = new StringEntity("hello"); httpPost.setEntity(entity); HttpResponse execute = httpClient.execute(httpPost); int statusCode = execute.getStatusLine().getStatusCode(); if(statusCode == HttpStatus.SC_OK){ String string = EntityUtils.toString(execute.getEntity()); LogUtils.d(string); } } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } } /** Post传递多个参数 服务器需要使用一个Bean进行接收，属性名称需要一致 [HttpPost] public string Post([FromBody]User value) { string userName = value.UserName; return value.UserName +","+value.Age; } */ public void postParamsTwo(){ try { String url = "http://url/api/GetName"; HttpPost httpPost = new HttpPost(url); org.apache.http.client.HttpClient httpClient = new DefaultHttpClient(); List<NameValuePair> parameters = new ArrayList<>();; parameters.add(new BasicNameValuePair("UserName", "dabao")); parameters.add(new BasicNameValuePair("Age", "21")); HttpEntity entity = new UrlEncodedFormEntity(parameters , "UTF-8"); httpPost.setEntity(entity); HttpResponse execute = httpClient.execute(httpPost); int statusCode = execute.getStatusLine().getStatusCode(); if(statusCode == HttpStatus.SC_OK){ String string = EntityUtils.toString(execute.getEntity()); LogUtils.d(string); } } catch (Exception e) { e.printStackTrace(); } } /** Post提交多个参数：参数格式使用Json 服务器代码： [HttpPost] public string Post([FromBody]User value) { string userName = value.UserName; return value.UserName +","+value.Age; } */ public void postParamsJson(){ try { String url = "http://url/api/GetName"; HttpPost httpPost = new HttpPost(url); org.apache.http.client.HttpClient httpClient = new DefaultHttpClient(); List<NameValuePair> parameters = new ArrayList<>();; parameters.add(new BasicNameValuePair("UserName", "dabao")); parameters.add(new BasicNameValuePair("Age", "21")); JSONObject object = new JSONObject(); object.put("UserName", "dabao"); object.put("Age", "21"); String paramsString = object.toJSONString(); StringEntity entity = new StringEntity(paramsString); entity.setContentType("application/json"); httpPost.setEntity(entity); HttpResponse execute = httpClient.execute(httpPost); int statusCode = execute.getStatusLine().getStatusCode(); if(statusCode == HttpStatus.SC_OK){ String string = EntityUtils.toString(execute.getEntity()); LogUtils.d(string); } } catch (Exception e) { e.printStackTrace(); } }} 0 1
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