使用HttpURLConnection请求数据、上传文件、图片等
16lz
2021-01-26
NetWorkUtils.java
import android.graphics.Bitmap;import android.graphics.Canvas;import android.graphics.PixelFormat;import android.graphics.drawable.Drawable;import android.util.Log;import java.io.BufferedReader;import java.io.ByteArrayInputStream;import java.io.ByteArrayOutputStream;import java.io.DataOutputStream;import java.io.IOException;import java.io.InputStream;import java.io.InputStreamReader;import java.net.HttpURLConnection;import java.net.MalformedURLException;import java.net.URL;import java.util.Iterator;import java.util.List;import java.util.Map;import java.util.UUID;/** * @author Jun * @time 2016/9/1 18:40 * @desc 网络请求 */public class NetWorkUtils { /** * GET的网络请求 * * @param urlPath * @return */ public static String doGet(String urlPath) { String result = ""; BufferedReader reader = null; HttpURLConnection conn = null; Log.i("amumu", "asdsa"); try { URL url = new URL(urlPath); conn = (HttpURLConnection) url.openConnection(); conn.setRequestMethod("GET"); Log.i("amumu", "a11"); int code = conn.getResponseCode(); Log.i("amumu", "a1122"); if (code == 200) { Log.i("amumu", "a11333"); reader = new BufferedReader(new InputStreamReader(conn.getInputStream())); String line = ""; while ((line = reader.readLine()) != null) { result += line; } } Log.i("amumu", "a14441"); } catch (Exception e) { Log.i("amumu", "444"); e.printStackTrace(); } finally { if (reader != null) { try { reader.close(); } catch (IOException e) { e.printStackTrace(); } } if (conn != null) { conn.disconnect(); } } return result; } /** * POST的网络请求 * * @param urlPath * @param paramsMap * @return */ public static String doPost(String urlPath, Map paramsMap) { String result = ""; BufferedReader reader = null; HttpURLConnection conn = null; try { URL url = new URL(urlPath); conn = (HttpURLConnection) url.openConnection(); conn.setRequestMethod("POST"); conn.setRequestProperty("X-bocang-Authorization", "token"); //token可以是用户登录后的token等等...... conn.setDoOutput(true); String parames = ""; for (Map.Entry entry : paramsMap.entrySet()) { parames += ("&" + entry.getKey() + "=" + entry.getValue()); } conn.getOutputStream().write(parames.substring(1).getBytes()); if (conn.getResponseCode() == 200) { reader = new BufferedReader(new InputStreamReader(conn.getInputStream())); String line = ""; while ((line = reader.readLine()) != null) { result += line; } } } catch (Exception e) { e.printStackTrace(); } finally { if (reader != null) { try { reader.close(); } catch (IOException e) { e.printStackTrace(); } } if (conn != null) { conn.disconnect(); } } return result; } private static int TIME_OUT = 10 * 1000; //超时时间 private static String CHARSET = "utf-8"; //设置编码 /** * android上传文件到服务器 * * @param file 需要上传的文件 * @param RequestURL 请求的rul * @return 返回响应的内容 */ public static String uploadFile(Drawable file, String RequestURL, Map param, String imageName) { String result = null; String BOUNDARY = UUID.randomUUID().toString(); //边界标识 随机生成 String PREFIX = "--", LINE_END = "\r\n"; String CONTENT_TYPE = "multipart/form-data"; //内容类型 // 显示进度框 // showProgressDialog(); try { URL url = new URL(RequestURL); HttpURLConnection conn = (HttpURLConnection) url.openConnection(); conn.setReadTimeout(TIME_OUT); conn.setConnectTimeout(TIME_OUT); conn.setDoInput(true); //允许输入流 conn.setDoOutput(true); //允许输出流 conn.setUseCaches(false); //不允许使用缓存 conn.setRequestMethod("POST"); //请求方式 conn.setRequestProperty("Charset", CHARSET); //设置编码 conn.setRequestProperty("connection", "keep-alive"); conn.setRequestProperty("X-bocang-Authorization", "token"); //token可以是用户登录后的token等等...... conn.setRequestProperty("Content-Type", CONTENT_TYPE + ";boundary=" + BOUNDARY); if (file != null) { Log.v("520it", "触发到"); /** * 当文件不为空，把文件包装并且上传 */ DataOutputStream dos = new DataOutputStream(conn.getOutputStream()); StringBuffer sb = new StringBuffer(); String params = ""; if (param != null && param.size() > 0) { Iterator it = param.keySet().iterator(); while (it.hasNext()) { sb = null; sb = new StringBuffer(); String key = it.next(); String value = param.get(key); sb.append(PREFIX).append(BOUNDARY).append(LINE_END); sb.append("Content-Disposition: form-data; name=\"") .append(key) .append("\"") .append(LINE_END) .append(LINE_END); sb.append(value).append(LINE_END); params = sb.toString(); dos.write(params.getBytes()); } } sb = new StringBuffer(); sb.append(PREFIX); sb.append(BOUNDARY); sb.append(LINE_END); /** * 这里重点注意： * name里面的值为服务器端需要key 只有这个key 才可以得到对应的文件 * filename是文件的名字，包含后缀名的 比如:abc.png */ sb.append("Content-Disposition: form-data; name=\"") .append("avatar") .append("\"") .append(";filename=\"") .append(imageName) .append("\"\n"); sb.append("Content-Type: image/png"); sb.append(LINE_END).append(LINE_END); dos.write(sb.toString().getBytes()); InputStream is = Drawable2InputStream(file); byte[] bytes = new byte[1024]; int len = 0; while ((len = is.read(bytes)) != -1) { dos.write(bytes, 0, len); } is.close(); dos.write(LINE_END.getBytes()); byte[] end_data = (PREFIX + BOUNDARY + PREFIX + LINE_END).getBytes(); dos.write(end_data); dos.flush(); /** * 获取响应码 200=成功 * 当响应成功，获取响应的流 */ int res = conn.getResponseCode(); System.out.println("res=========" + res); if (res == 200) { InputStream input = conn.getInputStream(); StringBuffer sb1 = new StringBuffer(); int ss; while ((ss = input.read()) != -1) { sb1.append((char) ss); } result = sb1.toString(); } else { } } else { Log.v("520it", "触发不到"); } } catch (MalformedURLException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } return result; } /** * android上传文件到服务器 * * @param RequestURL 请求的rul * @return 返回响应的内容 */ public static String uploadMoreFile(List files, String RequestURL, Map param, String imageName) { String result = null; String BOUNDARY = UUID.randomUUID().toString(); //边界标识 随机生成 String PREFIX = "--", LINE_END = "\r\n"; String CONTENT_TYPE = "multipart/form-data"; //内容类型 // 显示进度框 // showProgressDialog(); try { URL url = new URL(RequestURL); HttpURLConnection conn = (HttpURLConnection) url.openConnection(); conn.setReadTimeout(TIME_OUT); conn.setConnectTimeout(TIME_OUT); conn.setDoInput(true); //允许输入流 conn.setDoOutput(true); //允许输出流 conn.setUseCaches(false); //不允许使用缓存 conn.setRequestMethod("POST"); //请求方式 conn.setRequestProperty("Charset", CHARSET); //设置编码 conn.setRequestProperty("connection", "keep-alive"); conn.setRequestProperty("X-bocang-Authorization", "token"); //token可以是用户登录后的token等等...... conn.setRequestProperty("Content-Type", CONTENT_TYPE + ";boundary=" + BOUNDARY); Log.v("520it", "触发到"); /** * 当文件不为空，把文件包装并且上传 */ DataOutputStream dos = new DataOutputStream(conn.getOutputStream()); StringBuffer sb = new StringBuffer(); String params = ""; if (param != null && param.size() > 0) { Iterator it = param.keySet().iterator(); while (it.hasNext()) { sb = null; sb = new StringBuffer(); String key = it.next(); String value = param.get(key); sb.append(PREFIX).append(BOUNDARY).append(LINE_END); sb.append("Content-Disposition: form-data; name=\"") .append(key) .append("\"") .append(LINE_END) .append(LINE_END); sb.append(value).append(LINE_END); params = sb.toString(); dos.write(params.getBytes()); } } /** * 这里重点注意： * name里面的值为服务器端需要key 只有这个key 才可以得到对应的文件 * filename是文件的名字，包含后缀名的 比如:abc.png */ for (int i = 0; i < files.size(); i++) { sb = new StringBuffer(); sb.append(PREFIX); sb.append(BOUNDARY); sb.append(LINE_END); sb.append("Content-Disposition: form-data; name=\"") .append("image[]") .append("\"") .append(";filename=\"") .append(System.currentTimeMillis()+".jpg") .append("\"\n"); sb.append("Content-Type: image/png"); sb.append(LINE_END).append(LINE_END); dos.write(sb.toString().getBytes()); InputStream is = Bitmap2InputStream(files.get(i)); byte[] bytes = new byte[1024]; int len = 0; while ((len = is.read(bytes)) != -1) { dos.write(bytes, 0, len); } is.close(); dos.write(LINE_END.getBytes()); byte[] end_data = (PREFIX + BOUNDARY + PREFIX + LINE_END).getBytes(); dos.write(end_data); } dos.flush(); /** * 获取响应码 200=成功 * 当响应成功，获取响应的流 */ int res = conn.getResponseCode(); System.out.println("res=========" + res); if (res == 200) { InputStream input = conn.getInputStream(); StringBuffer sb1 = new StringBuffer(); int ss; while ((ss = input.read()) != -1) { sb1.append((char) ss); } result = sb1.toString(); } else { } } catch (MalformedURLException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } return result; } /** * android上传文件到服务器 * * @param file 需要上传的文件 * @param RequestURL 请求的rul * @return 返回响应的内容 */ public static String uploadFile(Bitmap file, String RequestURL, Map param, String imageName) { String result = null; String BOUNDARY = UUID.randomUUID().toString(); //边界标识 随机生成 String PREFIX = "--", LINE_END = "\r\n"; String CONTENT_TYPE = "multipart/form-data"; //内容类型 // 显示进度框 // showProgressDialog(); try { URL url = new URL(RequestURL); HttpURLConnection conn = (HttpURLConnection) url.openConnection(); conn.setReadTimeout(TIME_OUT); conn.setConnectTimeout(TIME_OUT); conn.setDoInput(true); //允许输入流 conn.setDoOutput(true); //允许输出流 conn.setUseCaches(false); //不允许使用缓存 conn.setRequestMethod("POST"); //请求方式 conn.setRequestProperty("Charset", CHARSET); //设置编码 conn.setRequestProperty("connection", "keep-alive"); conn.setRequestProperty("X-bocang-Authorization", "token"); //token可以是用户登录后的token等等...... conn.setRequestProperty("Content-Type", CONTENT_TYPE + ";boundary=" + BOUNDARY); if (file != null) { /** * 当文件不为空，把文件包装并且上传 */ DataOutputStream dos = new DataOutputStream(conn.getOutputStream()); StringBuffer sb = new StringBuffer(); String params = ""; if (param != null && param.size() > 0) { Iterator it = param.keySet().iterator(); while (it.hasNext()) { sb = null; sb = new StringBuffer(); String key = it.next(); String value = param.get(key); sb.append(PREFIX).append(BOUNDARY).append(LINE_END); sb.append("Content-Disposition: form-data; name=\"") .append(key) .append("\"") .append(LINE_END) .append(LINE_END); sb.append(value).append(LINE_END); params = sb.toString(); dos.write(params.getBytes()); } } sb = new StringBuffer(); sb.append(PREFIX); sb.append(BOUNDARY); sb.append(LINE_END); /** * 这里重点注意： * name里面的值为服务器端需要key 只有这个key 才可以得到对应的文件 * filename是文件的名字，包含后缀名的 比如:abc.png */ sb.append("Content-Disposition: form-data; name=\"") .append("image") .append("\"") .append(";filename=\"") .append(imageName) .append("\"\n"); sb.append("Content-Type: image/png"); sb.append(LINE_END).append(LINE_END); dos.write(sb.toString().getBytes()); InputStream is = Bitmap2InputStream(file); byte[] bytes = new byte[1024]; int len = 0; while ((len = is.read(bytes)) != -1) { dos.write(bytes, 0, len); } is.close(); // dos.write(file); dos.write(LINE_END.getBytes()); byte[] end_data = (PREFIX + BOUNDARY + PREFIX + LINE_END).getBytes(); dos.write(end_data); dos.flush(); /** * 获取响应码 200=成功 * 当响应成功，获取响应的流 */ int res = conn.getResponseCode(); System.out.println("res=========" + res); if (res == 200) { InputStream input = conn.getInputStream(); StringBuffer sb1 = new StringBuffer(); int ss; while ((ss = input.read()) != -1) { sb1.append((char) ss); } result = sb1.toString(); } else { } } } catch (MalformedURLException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } return result; } public static String getSomething(String path) { HttpURLConnection conn = null; InputStream is = null; ByteArrayOutputStream baos = null; String returnCode = "-1";// 默认-1表示提交失败 try { URL url = new URL(path); conn = (HttpURLConnection) url.openConnection(); conn.setRequestMethod("GET"); conn.setConnectTimeout(30000); // 连接的超时时间 conn.setReadTimeout(30000); // 读数据的超时时间 conn.setDoOutput(true); // 必须设置此方法, 允许输出 conn.setRequestProperty("Content-Type", "application/text"); // 设置请求头消息,可以设置多个 conn.connect(); int responseCode = conn.getResponseCode(); returnCode = responseCode + ""; if (responseCode == 200) { is = conn.getInputStream(); baos = new ByteArrayOutputStream(); byte[] buffer = new byte[1024]; int len = -1; while ((len = is.read(buffer)) != -1) { baos.write(buffer, 0, len); } returnCode = baos.toString(); // 把流中的数据转换成字符串, 采用的编码是: utf-8 } } catch (Exception e) { e.printStackTrace(); } finally { try { if (null != baos) baos.close(); if (null != is) is.close(); if (null != conn) conn.disconnect(); } catch (IOException e) { e.printStackTrace(); } } return returnCode; } /** * GET的网络请求 * @param urlPath * @return */ public static String doGet(String urlPath){ String result=""; BufferedReader reader=null; HttpURLConnection conn=null; try{ URL url=new URL(urlPath); conn= (HttpURLConnection) url.openConnection(); conn.setRequestMethod("GET"); conn.setConnectTimeout(30000); // 连接的超时时间 conn.setReadTimeout(30000); // 读数据的超时时间 conn.setDoOutput(true); // 必须设置此方法, 允许输出 conn.setRequestProperty("Content-Type", "application/text"); // 设置请求头消息,可以设置多个 conn.connect(); int code = conn.getResponseCode(); if(code==200){ reader=new BufferedReader(new InputStreamReader(conn.getInputStream())); String line=""; while((line=reader.readLine())!=null) { result+=line; } } }catch (Exception e){ e.printStackTrace(); }finally { if(reader!=null){ try { reader.close(); } catch (IOException e) { e.printStackTrace(); } } if(conn!=null){ conn.disconnect(); } } return result; } // 将Bitmap转换成InputStream public static InputStream Bitmap2InputStream(Bitmap bm) { ByteArrayOutputStream baos = new ByteArrayOutputStream(); bm.compress(Bitmap.CompressFormat.JPEG, 65, baos); InputStream is = new ByteArrayInputStream(baos.toByteArray()); return is; } // Drawable转换成InputStream public static InputStream Drawable2InputStream(Drawable d) { Bitmap bitmap = drawable2Bitmap(d); return Bitmap2InputStream(bitmap); } // Drawable转换成Bitmap public static Bitmap drawable2Bitmap(Drawable drawable) { Bitmap bitmap = Bitmap.createBitmap( drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight(), drawable.getOpacity() != PixelFormat.OPAQUE ? Bitmap.Config.ARGB_8888 : Bitmap.Config.RGB_565); Canvas canvas = new Canvas(bitmap); drawable.setBounds(0, 0, drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight()); drawable.draw(canvas); return bitmap; }}
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