iOS multi-file upload

Last Update:2015-07-03 Source: Internet

Author: User

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/*** upload Multiple files** @param URL request interface address* @param filedata file name and data (key:value) * @param btnname upload Web page btn (interface) * @param parms additional upload parameters*/-(void) httpsenddatawithurl: (nsstring*) url data: (nsdictionary*) filedata name: ( NSString*) btnname parms: (nsdictionary*) parms {nsstring *httpurl=url; //---------------------- The URL of the Post method and the request header ----------- nsmutableurlrequest *mrequest=[nsmutableurlrequest requestwithurl: [ Nsurl URLWithString: httpurl]]; Mrequest. HttpMethod=@ "post"; //content-type:multipart/form-data, BOUNDARY=----WEBKITFORMBOUNDARYWRKPBY4PBAPPMCFCnsstring *str=[nsstring stringwithformat:@ "multipart/form-data; boundary=%@", Keyward]; [mrequest setValue: str forhttpheaderfield :@ "content-type"]; Mrequest. httpbody=[self makebodydata: filedata name: Btnname parms:p arms]; //---------------------- The URL of the Post method and the request header ----------- [nsurlconnection sendasynchronousrequest: mrequest queue: [nsoperationqueue Mainqueue] completionhandler: ^ (nsurlresponse *response, nsdata *data, Nserror *connectionerror) { if (!connectionerror) { nshttpurlresponse *httpresponse = (nshttpurlresponse *) response; if (httpresponse. StatusCode = =) { nserror *error=nil; ID json = [nsjsonserialization jsonobjectwithdata:d ata options:0 Error :&error]; if (error) { NSLog(@ "json parsing error !!!!!!" );}Else{NSLog(@ "%@", json); }}Else{ NSLog(@ " Server Internal Error "); }}Else{ NSLog(@ " request error %@", connectionerror); }}];}-(nsdata*) makebodydata: (nsdictionary*) filedata name: (nsstring*) btnname parms: ( Nsdictionary*) parms {nsmutabledata *mdata = [nsmutabledata data]; // Prepare documents [filedata enumeratekeysandobjectsusingblock: ^ (nsstring *key, nsdata *data, BOOL * stop) { //------webkitformboundarycwujbgnwchuhgprt//content-disposition:form-data; name= "userfile["; filename= "snip20150701_10.png"//content-type:image/png//1nsmutablestring *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:d ata]; }];// prepare data in the form [parms enumeratekeysandobjectsusingblock: ^ (nsstring *key, nsstring *value, BOOL *STOP) {//------webkitformboundarycwujbgnwchuhgprt//content-disposition:form-data; name= "username"////345345nsmutablestring *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; }iOS multi-file upload

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