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webview js交互

webview js交互

作者: a乾坤大挪移a | 来源:发表于2016-07-11 19:49 被阅读106次

    #define AgreementName @"hybrid://nativechannel/"

    #pragma mark - webview delegate

    - (BOOL)webView:(UIWebView*)webView shouldStartLoadWithRequest:(NSURLRequest*)request navigationType:(UIWebViewNavigationType)navigationType

    {

    NSString*requestUrl=[selfURLDecodedString:[requestURL].absoluteString];

    //获取分享json

    if([requestUrlhasPrefix:AgreementName])

    {

    NSString*urlData=[requestUrlsubstringFromIndex:AgreementName.length];

    @try{

    idjsonData=[urlDataobjectFromJSONString];  //此方法为jsonKit自带的方法

    if([jsonDataisKindOfClass:[NSDictionaryclass]])

    {

    NSDictionary* dic = (NSDictionary*)jsonData;

    NSLog(@"json dic == %@",dic);

    }

    }

    @catch(NSException *exception) {

    }

    @finally{

    }

    returnNO;

    }

    returnYES;

    }

    -(NSString*)URLDecodedString:(NSString*)str

    {

    NSString*decodedString=(__bridge_transferNSString*)CFURLCreateStringByReplacingPercentEscapesUsingEncoding(NULL, (__bridgeCFStringRef)str,CFSTR(""),CFStringConvertNSStringEncodingToEncoding(NSUTF8StringEncoding));

    returndecodedString;

    }

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