/**
* 上传
*
* @param path
* @param file
* @return
* @throws Exception
*
* @author CaoFeng
* @version 1.0.0
* @since JDK 1.6
*/
private static String connectHttpsByPost(String path,File file) throws Exception{
String result =null;
URL url = new URL(path);// 创建连接
HttpURLConnection con = (HttpURLConnection) url
.openConnection();
con.setDoInput(true);
con.setDoOutput(true);
con.setUseCaches(false); // post方式不能使用缓存
// 设置请求头信息
con.setRequestProperty("Connection", "Keep-Alive");
con.setRequestProperty("Charset", "UTF-8");
// 设置边界
String BOUNDARY = "----------" + System.currentTimeMillis();
con.setRequestProperty("Content-Type",
"multipart/form-data; boundary="
+ BOUNDARY);
// 请求正文信息
// 第一部分：
StringBuilder sb = new StringBuilder();
sb.append("--"); // 必须多两道线
sb.append(BOUNDARY);
sb.append("\r\n");
sb.append("Content-Disposition: form-data;name=\"media\";filelength=\""+file.length()+"\";filename=\""
+ file.getName() + "\"\r\n");
sb.append("Content-Type:application/octet-stream\r\n\r\n");
byte[] head = sb.toString().getBytes("utf-8");
// 获得输出流
OutputStream out = new DataOutputStream(con.getOutputStream());
// 输出表头
out.write(head);
// 文件正文部分
// 把文件以流文件的方式 推入到url中
DataInputStream in = new DataInputStream(new FileInputStream(file));
int bytes = 0;
byte[] bufferOut = new byte[1024];
while ((bytes = in.read(bufferOut)) != -1) {
out.write(bufferOut, 0, bytes);
}
in.close();
// 结尾部分
byte[] foot = ("\r\n--" + BOUNDARY + "--\r\n").getBytes("utf-8");// 定义最后数据分隔线
out.write(foot);
out.flush();
out.close();
StringBuffer buffer = new StringBuffer();
BufferedReader reader = null;
try {
// 定义BufferedReader输入流来读取URL的响应
reader = new BufferedReader(new InputStreamReader(con.getInputStream()));
String line = null;
while ((line = reader.readLine()) != null) {
buffer.append(line);
}
if (result == null) {
result = buffer.toString();
}
} catch (IOException e) {
System.out.println("发送POST请求出现异常！" + e);
e.printStackTrace();
throw new IOException("数据读取异常");
} finally {
if (reader != null) {
reader.close();
}
}
return result;
}
/**
* 上传其他永久素材(图片素材的上限为5000，其他类型为1000)
*
* @param appid
* @param secret
* @param file
* @param type
* @param access_token
* @return
* @throws Exception
*
* @author CaoFeng
* @version 1.0.0
* @since JDK 1.6
*/
public static JSONObject addMaterialEver(File file,String type,String access_token) throws Exception {
try {
System.out.println("开始上传"+type+"永久素材---------------------");
//上传素材
String path="https://api.weixin.qq.com/cgi-bin/material/add_material?access_token="+access_token+"&type="+type;
String result=WeixinMaterial.connectHttpsByPost(path,file);
result=result.replaceAll("[\\\\]", "");
System.out.println("result:"+result);
JSONObject resultJSON=JSONObject.fromObject(result);
if(resultJSON!=null){
if(resultJSON.get("media_id")!=null){
System.out.println("上传"+type+"永久素材成功");
return resultJSON;
}else{
System.out.println("上传"+type+"永久素材失败");
}
}
return null;
} catch (Exception e) {
System.out.println("程序异常:"+e);
throw e;
}finally{
System.out.println("结束上传"+type+"永久素材---------------------");
}
}
/**
* 上传图片到微信服务器(本接口所上传的图片不占用公众号的素材库中图片数量的5000个的限制。图片仅支持jpg/png格式，大小必须在1MB以下)
*
* @param appid
* @param secret
* @param file
* @param access_token
* @return
* @throws Exception
*
* @author CaoFeng
* @version 1.0.0
* @since JDK 1.6
*/
public static JSONObject addMaterialEver(File file,String access_token) throws Exception {
try {
System.out.println("开始上传图文消息内的图片---------------------");
//上传图片素材
String path="https://api.weixin.qq.com/cgi-bin/media/uploadimg?access_token="+access_token;
String result=WeixinMaterial.connectHttpsByPost(path, file);
result=result.replaceAll("[\\\\]", "");
System.out.println("result:"+result);
JSONObject resultJSON=JSONObject.fromObject(result);
if(resultJSON!=null){
if(resultJSON.get("url")!=null){
System.out.println("上传图文消息内的图片成功");
return resultJSON;
}else{
System.out.println("上传图文消息内的图片失败");
}
}
return null;
} catch (Exception e) {
System.out.println("程序异常:"+e);
throw e;
}finally{
System.out.println("结束上传图文消息内的图片---------------------");
}
}
/**
* 上传临时素材
*
* @param appid
* @param secret
* @param file
* @param type
* @param access_token
* @return
* @throws Exception
*
* @author CaoFeng
* @version 1.0.0
* @since JDK 1.6
*/
public static JSONObject mediaUpload(File file,String type,String access_token) throws Exception {
try {
System.out.println("开始上传图文消息内的图片---------------------");
//上传图片素材
String path="https://api.weixin.qq.com/cgi-bin/media/upload?access_token="+access_token+"&type="+type;
String result=WeixinMaterial.connectHttpsByPost(path,file);
result=result.replaceAll("[\\\\]", "");
JSONObject resultJSON=JSONObject.fromObject(result);
if(resultJSON!=null){
if(resultJSON.get("media_id")!=null){
System.out.println("上传临时素材成功");
return resultJSON;
}else{
System.out.println("上传临时素材失败");
}
}
return null;
} catch (Exception e) {
System.out.println("程序异常:"+e);
throw e;
}finally{
System.out.println("结束上传临时素材---------------------");
}
}
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