OS涔婾IWebView鐨勪娇鐢�
鍒氭帴瑙OS寮�鍙�1骞村锛岀幇鍦ㄥ浜� 娣峰悎寮� 绉诲姩绔紑鍙戣秺鏉ヨ秺娴佽锛屽洜涓哄紑鍙戞垚鏈笂銆侀�熷害涓婇兘姣斾紶缁熺殑APP寮�鍙戣濂斤紝娣峰悎寮忓紑鍙� 鏄紶缁熸ā寮忎笌PC缃戦〉绔浉缁撳悎鐨勬ā寮忋�傞偅涔堟彁鍒颁簡 APP鐨勬贩鍚堟ā寮忓紑鍙戯紝鍦ˋndroid寮�鍙戜腑鏈塛ebView浣滀负娣峰悎妯″紡寮�鍙戠殑妗ユ锛屽綋鐒跺湪IOS涓篃鍚屾牱鏈変竴涓� UIWebView 缁勪欢鏉ヤ綔涓烘贩鍚堟ā寮忓紑鍙戠殑妗ユ锛岄偅涔堜笅闈㈠氨瀵筓IWebView鐨勪竴浜涘熀鏈煡璇嗚瑙ｄ竴涓嬨��
涓�銆乁IWebView鐨勫熀纭�浣跨敤
1銆佸垱寤篣IWebView锛�
CGRect bouds = [[UIScreen manScreen]applicationFrame]; UIWebView* webView = [[UIWebView alloc]initWithFrame:bounds];
2銆佽缃睘鎬э細
webView.scalespageToFit = YES;//鑷姩瀵归〉闈㈣繘琛岀缉鏀句互閫傚簲灞忓箷 webView.detectsPhoneNumbers = YES;//鑷姩妫�娴嬬綉椤典笂鐨勭數璇濆彿鐮侊紝鍗曞嚮鍙互鎷ㄦ墦
3銆佹樉绀虹綉椤佃鍥綰IWebView锛�
[self.view addSubview:webView];
4銆佸姞杞藉唴瀹�
NSURL* url = [NSURL URLWithString:@"http://www.baidu.com"];//鍒涘缓URL NSURLRequest* request = [NSURLRequest requestWithURL:url];//鍒涘缓NSURLRequest [webView loadRequest:request];//鍔犺浇
涔熷彲浠ュ姞杞戒竴涓湰鍦拌祫婧�:
NSURL* url = [NSURL fileURLWithPath:filePath];//鍒涘缓URL NSURLRequest* request = [NSURLRequest requestWithURL:url];//鍒涘缓NSURLRequest [webView loadRequest:request];//鍔犺浇
UIWebView 杩樻敮鎸佸皢涓�涓狽SString瀵硅薄浣滀负婧愭潵鍔犺浇銆備綘鍙互涓哄叾鎻愪緵涓�涓熀纭�URL锛屾潵鎸囧UIWebView瀵硅薄濡備綍璺熼殢閾炬帴鍜屽姞杞借繙绋嬭祫婧愶細
[webView loadHTMLString:myHTML baseURL:[NSURL URLWithString:@"http://baidu.com"]];
5銆佸鑸�
UIWebView绫诲唴閮ㄤ細绠＄悊娴忚鍣ㄧ殑瀵艰埅鍔ㄤ綔锛岄�氳繃goForward鍜実oBack鏂规硶浣犲彲浠ユ帶鍒跺墠杩涗笌鍚庨��鍔ㄤ綔锛�
[webView goBack]; [webView goForward]; [webView reload];//閲嶈浇 [webView stopLoading];//鍙栨秷杞藉叆鍐呭
6銆乁IWebViewDelegate濮旀墭浠ｇ悊
UIWebView鏀寔涓�缁勫鎵樻柟娉曪紝杩欎簺鏂规硶灏嗗湪鐗瑰畾鏃堕棿寰楀埌閫氱煡銆傝浣跨敤杩欎簺鏂规硶锛屽繀椤诲厛璁惧畾webView鐨勫鎵橈細
webView.delegate = self;
涓嬮潰姣忎釜濮旀墭鏂规硶鐨勭涓�涓弬鏁伴兘鏄寚鍚戜竴涓猆Iwebview鐨勬寚閽堬紝鍥犳浣犲彲浠ュ皢涓�涓鎵樼敤浜庡涓綉椤佃鍥俱��
-(BOOL)webView:(UIWebView*)webView shouldStartLoadWithRequest:(NSURLRequest*) reuqest navigationType: (UIWebViewNavigationType)navigationType;//褰撶綉椤佃鍥捐鎸囩ず杞藉叆鍐呭鑰屽緱鍒伴�氱煡銆傚簲褰撹繑鍥瀁ES锛岃繖鏍蜂細杩涜鍔犺浇銆傞�氳繃瀵艰埅绫诲瀷鍙傛暟鍙互寰楀埌璇锋眰鍙戣捣鐨勫師鍥狅紝鍙互鏄互涓嬩换鎰忓�硷細 UIWebViewNavigationTypeLinkClicked UIWebViewNavigationTypeFormSubmitted UIWebViewNavigationTypeBackForward UIWebViewNavigationTypeReload UIWebViewNavigationTypeFormResubmitted UIWebViewNavigationTypeOther
UIWebView鎺т欢鍔犺浇缃戦〉鐨勭洃鍚嚱鏁版柟娉曪細
-(void)webViewDidStartLoad:(UIWebView*)webView ;//褰撶綉椤佃鍥惧凡缁忓紑濮嬪姞杞戒竴涓姹傚悗锛屽緱鍒伴�氱煡銆� -(void)webViewDidFinishLoad:(UIWebView*)webView ;//褰撶綉椤佃鍥剧粨鏉熷姞杞戒竴涓姹備箣鍚庯紝寰楀埌閫氱煡銆� -(void)webView:(UIWebView*)webView DidFailLoadWithError:(NSError*)error;//褰撳湪璇锋眰鍔犺浇涓彂鐢熼敊璇椂锛屽緱鍒伴�氱煡銆備細鎻愪緵涓�涓狽SSError瀵硅薄锛屼互鏍囪瘑鎵�鍙戠敓閿欒绫诲瀷銆�
浠ヤ笂鏄疘OS涓璘IWebView鐨勫熀纭�浣跨敤瑕佺偣璇﹁В锛屾帴涓嬫潵涓�浜沀IWebView鐨勫父鐢ㄦ敞鎰忕偣銆�
浜屻�両OS涓璘IWebView甯哥敤娉ㄦ剰鐐癸細
1銆佷笌UIWebView杩涜浜や簰锛岃皟鐢╳eb椤甸潰涓殑闇�瑕佷紶鍙傜殑鍑芥暟鏃讹紝鍙傛暟闇�瑕佸甫鍗曞紩鍙凤紝鎴栬�呭弻寮曞彿锛堝弻寮曞彿闇�瑕佽繘琛岃浆涔夊湪杞箟瀛楃鍓嶅姞\锛�,鍦ㄤ紶閫抝son瀛楃涓叉椂涓嶉渶瑕佸姞鍗曞紩鍙锋垨鍙屽紩鍙凤細
-(void)webViewDidFinishLoad:(UIWebView *)webView{NSString *sendJsStr=[NSString stringWithFormat:@"openFile(\"%@\")",jsDocPathStr];[webView stringByEvaluatingJavaScriptFromString:sendJsStr];}
2銆佸湪璇ヤ唬鐞嗘柟娉曚腑鍒ゆ柇涓巜ebView鐨勪氦浜掞紝鍙�氳繃html閲屽畾涔夌殑鍗忚瀹炵幇锛�
- (BOOL)webView:(UIWebView*)webView shouldStartLoadWithRequest:(NSURLRequest*)request navigationType:(UIWebViewNavigationType)navigationType
3銆佸彧鏈夊湪webView鍔犺浇瀹屾瘯涔嬪悗鍦ㄨ兘澶熻皟鐢ㄥ搴旈〉闈腑鐨刯s鏂规硶銆傦紙瀵瑰簲鏂规硶濡傜1鏉★級.
4銆佷负webView娣诲姞鑳屾櫙鍥剧墖锛�
approvalWebView.backgroundColor=[UIColor clearColor];approvalWebView.opaque=NO;//杩欏彞璇濆緢閲嶈锛寃ebView鏄惁鏄笉閫忔槑鐨勶紝no涓洪�忔槑 鍦╳ebView涓嬫坊鍔犱釜imageView灞曠ず鍥剧墖灏卞彲浠ヤ簡
5銆佽幏鍙杦ebView椤甸潰鍐呭淇℃伅锛�
NSString *docStr=[webView stringByEvaluatingJavaScriptFromString:@"document.documentElement.textContent"];//鑾峰彇web椤甸潰鍐呭淇℃伅锛屾澶勮幏鍙栫殑鏄釜json瀛楃涓睸BJsonParser *parserJson=[[[SBJsonParser alloc]init]autorelease];NSDictionary *contentDic=[parserJson objectWithString:docStr];//灏唈son瀛楃涓茶浆鍖栦负瀛楀吀
6銆� 鍔犺浇鏈湴鏂囦欢鐨勬柟娉曪細
//绗竴绉嶆柟娉曪細NSString* path = [[NSBundle mainBundle] pathForResource:name ofType:@"html" inDirectory:@"mobile"];//mobile鏄牴鐩綍锛宯ame鏄枃浠跺悕绉帮紝html鏄枃浠剁被鍨媅webView loadRequest:[NSURLRequest requestWithURL:[NSURL fileURLWithPath:path]]]; //鍔犺浇鏈湴鏂囦欢//绗簩绉嶆柟娉曪細NSString *resourcePath = [[NSBundle mainBundle] resourcePath]
NSString*filePath=[resourcePath stringByAppendingPathComponent:@"mobile.html"]; NSString *htmlstring=[[NSString alloc] initWithContentsOfFile:filePath encoding:NSUTF8StringEncoding error:nil]; [uiwebview loadHTMLString:htmlstring baseURL:[NSURL fileURLWithPath:[[NSBundle mainBundle] bundlePath]]];
7銆佸皢鏂囦欢涓嬭浇鍒版湰鍦板潃鐒跺悗鍐嶇敤webView鎵撳紑锛�
NSString *resourceDocPath = [[NSString alloc] initWithString:[[[[NSBundle mainBundle] resourcePath] stringByDeletingLastPathComponent] stringByAppendingPathComponent:@"Documents"]];self.filePath = [resourceDocPath stringByAppendingPathComponent:[NSString stringWithFormat:@"maydoc%@",docType]];NSData *attachmentData = [[NSData alloc] initWithContentsOfURL:[NSURL URLWithString:theUrl]];[attachmentData writeToFile:filePath atomically:YES];NSURL *url = [NSURL fileURLWithPath:filePath];NSURLRequest *requestObj = [NSURLRequest requestWithURL:url];[attachmentWebView loadRequest:requestObj];//鍒犻櫎鎸囧畾鐩綍涓嬬殑鏂囦欢NSFileManager *magngerDoc=[NSFileManager defaultManager];[magngerDoc removeItemAtPath:filePath error:nil];
8銆佸鐞唚ebView灞曠ずtxt鏂囨。涔辩爜闂锛�
if ([theType isEqualToString:@".txt"]) {//txt鍒嗗甫缂栫爜鍜屼笉甯︾紪鐮佷袱绉嶏紝甯︾紪鐮佺殑濡俇TF-8鏍煎紡txt锛屼笉甯︾紪鐮佺殑濡侫NSI鏍煎紡txt//涓嶅甫鐨勶紝鍙互渚濇灏濊瘯GBK鍜孏B18030缂栫爜NSString* aStr = [[NSString alloc] initWithData:attachmentData encoding:NSUTF8StringEncoding];if (!aStr) {//鐢℅BK杩涜缂栫爜aStr=[[NSString alloc] initWithData:attachmentData encoding:0x80000632];}if (!aStr) {//鐢℅BK缂栫爜涓嶈,鍐嶇敤GB18030缂栫爜aStr=[[NSString alloc] initWithData:attachmentData encoding:0x80000631];}//閫氳繃html璇█杩涜鎺掔増NSString* responseStr = [NSString stringWithFormat:@"""""""""""
"
"%@"
"/pre>"
""
"",
aStr];
[attachmentWebView loadHTMLString:responseStr baseURL:[NSURL fileURLWithPath:[[NSBundle mainBundle] bundlePath]]];
return;
}
9銆佷娇鐢╳ebView鍔犺浇鏈湴鎴栫綉缁滄枃浠舵暣涓祦绋嬶細
1銆丩oading a local PDF file into the web view
- (void)viewDidLoad {
[super viewDidLoad];
//浠庢湰鍦板姞杞�
NSString *thePath = [[NSBundle mainBundle] pathForResource:@"iPhone_User_Guide" ofType:@"pdf"];
if (thePath) {
NSData *pdfData = [NSData dataWithContentsOfFile:thePath];
[(UIWebView *)self.view loadData:pdfData MIMEType:@"application/pdf"
textEncodingName:@"utf-8" baseURL:nil];
}
//浠庣綉缁滃姞杞�
[self.myWebView loadRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:@"http://www.apple.com/"]]];
}
2銆乀he web-view delegate managing network loading
- (void)webViewDidStartLoad:(UIWebView *)webView
{
// starting the load, show the activity indicator in the status bar
[UIApplication sharedApplication].networkActivityIndicatorVisible = YES;
}
- (void)webViewDidFinishLoad:(UIWebView *)webView
{
// finished loading, hide the activity indicator in the status bar
[UIApplication sharedApplication].networkActivityIndicatorVisible = NO;
}
- (void)webView:(UIWebView *)webView didFailLoadWithError:(NSError *)error
{
// load error, hide the activity indicator in the status bar
[UIApplication sharedApplication].networkActivityIndicatorVisible = NO;
// report the error inside the webview
NSString* errorString = [NSString stringWithFormat:
@"
An error occurred:
%@
",
error.localizedDescription];
[self.myWebView loadHTMLString:errorString baseURL:nil];
}
3銆丼topping a load request when the web view is to disappear
- (void)viewWillDisappear:(BOOL)animated
{
if ( [self.myWebView loading] ) {
[self.myWebView stopLoading];
}
self.myWebView.delegate = nil;聽聽聽 // disconnect the delegate as the webview is hidden
[UIApplication sharedApplication].networkActivityIndicatorVisible = NO;
}
/************/
寮曠敤鑷嫻鏋滃畼鏂规枃妗ｏ紙displaying web content锛�
10銆佹煡鎵緒ebView涓殑scrollview锛�
- (void) addScrollViewListener
{
UIScrollView* currentScrollView;
for (UIView* subView in self.webView.subviews) {
if ([subView isKindOfClass:[UIScrollView class]]) {
currentScrollView = (UIScrollView*)subView;
currentScrollView.delegate = self;
}
}
}
11銆佸幓鎺墂ebView鐨勯槾褰憋紝鍋氭垚绫讳技scrollView锛�
- (void)clearBackgroundWithColor:(UIColor*)color
{
// 鍘绘帀webview鐨勯槾褰�
self.backgroundColor = color;
for (UIView* subView in [self subviews])
{
if ([subView isKindOfClass:[UIScrollView class]]) {
for (UIView* shadowView in [subView subviews])
{
if ([shadowView isKindOfClass:[UIImageView class]]) {
[shadowView setHidden:YES];
}
}
}
}
}
12銆佸彇娑堥暱鎸墂ebView涓婄殑閾炬帴寮瑰嚭actionSheet鐨勯棶棰橈細
-(void)webViewDidFinishLoad:(UIWebView *)webView
{
[webView stringByEvaluatingJavaScriptFromString:@"document.documentElement.style.webkitTouchCallout = 'none';"];
}
13銆佸彇娑坵ebView涓婄殑瓒呯骇閾炬帴鍔犺浇闂锛�
-(BOOL)webView:(UIWebView *)webView shouldStartLoadWithRequest:(NSURLRequest *)request navigationType:(UIWebViewNavigationType)navigationType
{
if (navigationType==UIWebViewNavigationTypeLinkClicked) {
return NO;
}
else {
return YES;
}
}
14銆亀ebView鍦╥os5.1涔嬪墠鐨刡ug锛氬湪涔嬪墠鐨勫伐绋嬩腑浣跨敤webView鍔犺浇闄勪欢锛寃ebView鏀寔doc锛宔xcel锛宲pt锛宲df绛夋牸寮忥紝浣嗚繖浜涢檮浠跺繀椤诲厛涓嬭浇鍒版湰鍦扮劧鍚庡湪鍔犺浇鍒皐ebView涓婃墠鍙互鏄剧ず锛�
褰撻檮浠朵笅杞藉埌鏈湴涔嬪悗鍒氬垰寮�濮嬪姞杞藉埌webView涓婃椂锛屾鏃堕��鍑洪檮浠堕〉闈細瀵艰嚧绋嬪簭宕╂簝銆備細宕╂簝鏄敱浜巜ebView鎺т欢鍐呴儴娌℃湁鎶婄浉鍏充唬鐞嗗彇娑堟帀锛屾墍浠ュ鑷撮��鍑轰箣鍚庣▼搴忓穿婧冦��
webView鍦�5.1涓婄殑bug锛氫箣鍓嶉」鐩渶姹傝webView鍙互宸﹀彸娲诲姩锛屼絾鍦ㄥ線webView涓婂姞杞介〉闈㈡椂瀵艰嚧椤甸潰鍔犺浇涓嶅叏锛岃繖涓猙ug鏄敱浜巜ebView鏈韩鐨勭紦瀛樻墍鑷淬�傦紙杩樻湁寰呯爺绌讹級
15銆佸湪浣跨敤webView杩涜鏂版氮寰崥鍒嗕韩鏃讹紝webView浼氳嚜鍔ㄤ繚瀛樼櫥闄嗙殑cookie瀵艰嚧椤圭洰涓殑鍒嗕韩妯″潡鏈変簺闂锛屽垹闄� webView鐨刢ookie鐨勬柟娉曪細
-(void)deleteCookieForDominPathStr:(NSString *)thePath
{
//鍒犻櫎鏈湴cookie锛宼hePath涓篶ookie璺緞閫氳繃鎵撳嵃cookie鍙煡閬撳叾璺緞
for(NSHTTPCookie *cookie in [[NSHTTPCookieStorage sharedHTTPCookieStorage] cookies]) {
if([[cookie domain] isEqualToString:thePath]) {
[[NSHTTPCookieStorage sharedHTTPCookieStorage] deleteCookie:cookie];
}
}
}
16銆佸湪UIWebView涓娇鐢╢lashScrollIndicators
浣跨敤UIScrollView鏃讹紝鎴戜滑鍙互浣跨敤flashScrollIndicators鏂规硶鏄剧ず婊氬姩鏍囪瘑鐒跺悗娑堝け锛屽憡鐭ョ敤鎴锋椤甸潰鍙互婊氬姩锛屽悗闈㈣繕鏈夋洿澶氬唴瀹广�俇IWebView鍐呴儴渚濊禆浜嶶IScrollView,浣嗘槸鍏舵病鏈塮lashScrollIndicators鏂规硶锛屼絾鍙互閫氳繃鍏朵粬閫斿緞浣跨敤姝ゆ柟娉曪紝濡備笅鎵�绀恒��
for (id subView in [webView subviews])
{聽 if ([subView respondsToSelector:@selector(flashScrollIndicators)])
{
[subView flashScrollIndicators];
}
}
涓婅堪浠ｇ爜鐗囨鍙互鍒皐ebViewDidFinishLoad鍥炶皟涓娇鐢紝鍔犺浇瀹岀綉椤靛唴瀹瑰悗flash鏄剧ず婊氬姩鏍囪瘑銆� 17銆佹牴鎹唴瀹硅幏鍙朥IWebView鐨勯珮搴︼細
鏈夋椂鍊欓渶瑕佹牴鎹笉鍚岀殑鍐呭璋冩暣UIWebView鐨勯珮搴︼紝浠ヤ娇UIWebView鍒氬ソ瑁呬笅鎵�鏈夊唴瀹癸紝涓嶇敤鎷栧姩锛屽悗闈篃涓嶄細鐣欑櫧銆傛湁涓ょ鏂瑰紡鍙牴鎹姞杞藉唴瀹硅幏鍙朥IWebView鐨勫悎閫傞珮搴︼紝浣嗛兘闇�瑕佸湪缃戦〉鍐呭鍔犺浇瀹屾垚鍚庢墠鍙互锛屽嵆闇�瑕佸湪webViewDidFinishLoad鍥炶皟涓娇鐢�
鈶�.浣跨敤sizeThatFits鏂规硶銆�
- (void)webViewDidFinishLoad:(UIWebView *)webView
{
CGRect frame = webView.frame;
frame.size.height = 1;
webView.frame = frame;
CGSize fittingSize = [webView sizeThatFits:CGSizeZero];
frame.size = fittingSize;
webView.frame = frame;
}
sizeThatFits鏂规硶鏈変釜闂锛屽鏋滃綋鍓峌IView鐨勫ぇ灏忔瘮鍒氬ソ鍚堥�傜殑澶у皬杩樺ぇ锛屽垯杩斿洖褰撳墠鐨勫ぇ灏忥紝涓嶄細杩斿洖鏈�鍚堥�傜殑澶у皬鍊硷紝鎵�浠ヤ娇鐢╯izeThatFits鍓嶏紝鍏堝皢UIWebView鐨勯珮搴﹁涓烘渶灏忥紝鍗�1锛岀劧鍚庡啀浣跨敤sizeThatFits灏变細杩斿洖鍒氬ソ鍚堥�傜殑澶у皬銆�
鈶°�佷娇鐢↗avaScript
- (void)webViewDidFinishLoad:(UIWebView *)webView
{聽聽聽 CGRect frame = webView.frame;
NSString *fitHeight = [webview stringByEvaluatingJavaScriptFromString:@"document.body.scrollHeight;"];
frame.size.height = [fitHeight floatValue];
webView.frame = frame;