代码语言：javascript复制
public static JSONObject getToken(String appId,String appSecret){
String url="https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=" appId "&secret=" appSecret;
HttpURLConnection con = null;
BufferedReader bufferedReader=null;
try {
URL urlObj = new URL(url);
// 打开连接
con = (HttpURLConnection) urlObj.openConnection();
// 设置请求通用参数
con.setRequestProperty("accept", "*/*");
con.setRequestProperty("connection", "Keep-Alive");
con.connect();
bufferedReader = new BufferedReader(new InputStreamReader(con.getInputStream()));
StringBuffer buffer = new StringBuffer();
String line = null;
while ((line = bufferedReader.readLine()) != null) {
buffer.append(line);
}
String result = buffer.toString();
JSONObject resultJSON = new JSONObject(result);
if (resultJSON != null) {
System.out.println(resultJSON.toString());
if(null!=resultJSON.get("access_token")) {
return resultJSON;
}else {
throw new Exception("获取微信token失败，APPID=" appId ";微信消息：" resultJSON.getString("errmsg") ",code=" resultJSON.getString("errcode"));
}
}
} catch (Exception e) {
e.printStackTrace();
} finally {
if (bufferedReader != null) {
try {
bufferedReader.close();
} catch (IOException e) {
e.printStackTrace();
}
}
if(null!=con) {
con.disconnect();
}
}
return null;
}
/**
* 发送请求
* @Desc
*/
public static String connectHttpsByPost(String url,String token,String type, String KK, File file) throws Exception {
if(token==null) {
token = getToken("1111", "1111").get("access_token").toString();
}
String path = "https://api.weixin.qq.com/cgi-bin/media/uploadimg?access_token=" token;
path = "https://api.weixin.qq.com/cgi-bin/media/upload?access_token=" token;
URL urlObj = new URL(path);
//连接
HttpURLConnection con = (HttpURLConnection) urlObj.openConnection();
String result = null;
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("rn");
sb.append("Content-Disposition: form-data;name="media";filelength="" file.length() "";filename="" file.getName() ""rn");
sb.append("Content-Type:application/octet-streamrnrn");
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
// 把文件已流文件的方式 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
if(null!=KK) {
out.write(("--" BOUNDARY "rn").getBytes());
out.write("Content-Disposition: form-data; name="description";rnrn".getBytes("utf-8"));
out.write(String.format("{"title":"%s", "introduction":"%s"}",file.getName(),file.getName()).getBytes("utf-8"));
}
byte[] foot = ("rn--" BOUNDARY "--rn").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();
} finally {
if (reader != null) {
reader.close();
}
}
return result;
}
