加载webView发送请求

来源：互联网发布：行知职高在哪编辑：程序博客网时间：2024/05/16 15:28

[selfloadWebView:_webViewwithURLString:@"http://sjkdslfskdlnkndsnk"andPostDictionaryOrNil:_para];

- (void) loadWebView:(UIWebView *)theWebView withURLString:(NSString *)urlString andPostDictionaryOrNil:(NSDictionary *)postDictionary

{

NSURL *url = [NSURLURLWithString:urlString];

NSMutableURLRequest *request = [NSMutableURLRequestrequestWithURL:url

cachePolicy:NSURLRequestReloadIgnoringCacheData

timeoutInterval:60.0];

// DATA TO POST

if(postDictionary) {

NSString *postString = [selfgetFormDataString:postDictionary];

NSData *postData = [postStringdataUsingEncoding:NSUTF8StringEncodingallowLossyConversion:YES];

[request setHTTPMethod:@"POST"];

// [request setValue:@"text/html;charset=utf-8" forHTTPHeaderField:@"Content-Type"];

[request addValue:@"IOS"forHTTPHeaderField:@"YUFU-TERMINAL-TYPE"];

[request addValue:@"1.0.1"forHTTPHeaderField:@"YUFU-TERMINAL-VERSION"];

[request setValue:@"application/x-www-form-urlencoded; charset=utf-8"forHTTPHeaderField:@"Content-Type"];

[request setHTTPBody:postData];

}

[theWebView loadRequest:request];

}

- (NSString *)getFormDataString:(NSDictionary*)dictionary {

if( ! dictionary) {

returnnil;

}

NSArray* keys = [dictionaryallKeys];

NSMutableString* resultString = [[NSMutableStringalloc] init];

for (int i =0; i < [keys count]; i++) {

NSString *key = [NSStringstringWithFormat:@"%@", [keysobjectAtIndex: i]];

NSString *value = [NSStringstringWithFormat:@"%@", [dictionaryvalueForKey: [keys objectAtIndex: i]]];

NSString *encodedKey = [selfescapeString:key];

NSString *encodedValue = [selfescapeString:value];

NSString *kvPair = [NSStringstringWithFormat:@"%@=%@", encodedKey, encodedValue];

if(i >0) {

[resultString appendString:@"&"];

}

[resultString appendString:kvPair];

}

return resultString;

}

//对key和Value的数据进行编码处理

- (NSString *)escapeString:(NSString *)string {

if(string ==nil || [string isEqualToString:@""]) {

return@"";

}

NSString *outString = [NSStringstringWithString:string];

outString = [outString stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];

// BUG IN stringByAddingPercentEscapesUsingEncoding

// WE NEED TO DO several OURSELVES

outString = [selfreplace:outString lookFor:@"&"replaceWith:@"%26"];

outString = [selfreplace:outString lookFor:@"?"replaceWith:@"%3F"];

outString = [selfreplace:outString lookFor:@"="replaceWith:@"%3D"];

outString = [selfreplace:outString lookFor:@"+"replaceWith:@"%2B"];

outString = [selfreplace:outString lookFor:@";"replaceWith:@"%3B"];

return outString;

}

//去掉空格和特殊字符

- (NSString *)replace:(NSString *)originalString lookFor:(NSString *)find replaceWith:(NSString *)replaceWith {

if ( ! originalString || ! find) {

return originalString;

}

if( ! replaceWith) {

replaceWith = @"";

}

NSMutableString *mstring = [NSMutableStringstringWithString:originalString];

NSRange wholeShebang =NSMakeRange(0, [originalStringlength]);

[mstring replaceOccurrencesOfString: find

withString: replaceWith

options:0

range: wholeShebang];

return [NSStringstringWithString: mstring];

}

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