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  NSString *htmls = [NSString stringWithFormat:@"<html> \n"
                           "<head> \n"
                           "<style type=\"text/css\"> \n"
                           "body{margin:12px 12px 12px 12px;font-size:70px;simsun, arial, helvetica, clean, sans-serif;padding:0px;text-align:justify;color:#2B2B2B;text-transform:none;letter-spacing:normal;word-spacing:0px;white-space:normal;-ms-word-break:normal;-ms-word-wrap:break-word;widows:1;background-color:#FFFFFF;-webkit-text-stroke-width:0px;}\n"
                           "</style>\n"
                           "</head> \n"
                           "<body>"
                           "<script type='text/javascript'>"
                           "window.onload = function(){\n"
                           "var $img = document.getElementsByTagName('img');\n"
                           "for(var p in  $img){\n"
                           " $img[p].style.width = '100%%';\n"
                           "$img[p].style.height ='auto'\n"
                           "}\n"
                           "}"
                           "</script>%@"
                           "</body>"
                           "</html>",model.content];
       
        [self.webView loadHTMLString:htmls baseURL:nil];

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