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/**
* 上传多个文件
*
* @param url 请求接口地址
* @param filedata 文件名称和数据(key:value)
* @param btnName 上传网页的btn (接口)
* @param parms 附加上传参数
*/
-(void)httpSendDataWithUrl:(NSString*)url data:(NSDictionary*)filedata name:(NSString*)btnName parms:(NSDictionary*)parms
{
NSString *httpUrl=url;
//----------------------Post方法的URL和请求头-----------
NSMutableURLRequest *mRequest=[NSMutableURLRequest requestWithURL:[NSURL URLWithString:httpUrl]];
mRequest.HTTPMethod=@"post";
//Content-Type:multipart/form-data; boundary=----WebKitFormBoundarywrkpby4PbAPpMcFc
NSString *str=[NSString stringWithFormat:@"multipart/form-data; boundary=%@",KEYWard];
[mRequest setValue:str forHTTPHeaderField :@"Content-Type"];
mRequest.HTTPBody=[self makeBodydata:filedata name:btnName parms:parms];
//----------------------Post方法的URL和请求头-----------
[NSURLConnection sendAsynchronousRequest:mRequest queue:[NSOperationQueue mainQueue] completionHandler:^(NSURLResponse *response, NSData *data, NSError *connectionError) {
if (!connectionError) {
NSHTTPURLResponse *httpResponse = (NSHTTPURLResponse *)response;
if (httpResponse.statusCode == 200) {
NSError *error=nil;
id json = [NSJSONSerialization JSONObjectWithData:data options:0 error:&error];
if (error) {
NSLog(@"json解析错误!!!!!!");
}
else
{
NSLog(@"%@",json);
}
}else{
NSLog(@"服务器内部错误");
}
}else{
NSLog(@"请求错误%@",connectionError);
}
}];
}
-(NSData*)makeBodydata:(NSDictionary*)filedata name:(NSString*)btnName parms:(NSDictionary*)parms
{
NSMutableData *mData = [NSMutableData data];
//准备文件
[filedata enumerateKeysAndObjectsUsingBlock:^(NSString *key, NSData *data, BOOL *stop) {
// ------WebKitFormBoundarycwuJbGNWchuHGPRT
// Content-Disposition: form-data; name="userfile[]"; filename="Snip20150701_10.png"
// Content-Type: image/png
//1
NSMutableString *mStr = [NSMutableString string];
[mStr appendFormat:@"\r\n--%@\r\n",KEYWard];
[mStr appendFormat:@"Content-Disposition: form-data; name=\"%@\"; filename=\"%@\"\r\n",btnName,key];
[mStr appendString:@"application/octet-stream\r\n"];
[mStr appendString:@"\r\n"];
[mData appendData:[mStr dataUsingEncoding:NSUTF8StringEncoding]];
//2
[mData appendData:data];
}];
//准备表单中的数据
[parms enumerateKeysAndObjectsUsingBlock:^(NSString *key, NSString *value, BOOL *stop) {
// ------WebKitFormBoundarycwuJbGNWchuHGPRT
// Content-Disposition: form-data; name="username"
//
// 345345
NSMutableString *mStr = [NSMutableString string];
[mStr appendFormat:@"\r\n--%@\r\n",KEYWard];
[mStr appendFormat:@"Content-Disposition: form-data; name=\"%@\"\r\n",key];
[mStr appendString:@"\r\n"];
[mStr appendFormat:@"%@\r\n",value];
[mData appendData:[mStr dataUsingEncoding:NSUTF8StringEncoding]];
}];
NSString *end = [NSString stringWithFormat:@"--%@--\r\n",KEYWard];
[mData appendData:[end dataUsingEncoding:NSUTF8StringEncoding]];
return mData.copy;
}
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原文地址：http://www.cnblogs.com/tangranyang/p/4617486.html
