UIWebView UITextView
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UIWebView UITextView
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//
// ViewController.m
// 網(wǎng)頁
//
#import "ViewController.h"@interface ViewController ()<UITextFieldDelegate,UIWebViewDelegate>
@property (weak, nonatomic) IBOutlet UITextField *textFiled;
@property (weak, nonatomic) IBOutlet UIWebView *webView;@end@implementation ViewController
- (void)viewDidLoad {[super viewDidLoad];_textFiled.delegate = self;_webView.delegate = self;_textFiled.returnKeyType = UIReturnKeySearch;//網(wǎng)頁縮放_webView.scalesPageToFit = YES;[self loadTextFiledUrlString];// Do any additional setup after loading the view, typically from a nib.
}-(void)loadTextFiledUrlString{NSURL *url = [NSURL URLWithString:_textFiled.text];NSURLRequest *request = [NSURLRequest requestWithURL:url];[_webView loadRequest:request];}#pragma mark -UITextFiledDelegate-(BOOL)textFieldShouldReturn:(UITextField *)textField{//加載網(wǎng)址
[self loadTextFiledUrlString];//失去第一響應(yīng)
[textField resignFirstResponder];return YES;
}#pragma mark -UIWebViewDelegate//是否允許開始加載網(wǎng)絡(luò)請(qǐng)求
- (BOOL)webView:(UIWebView *)webView shouldStartLoadWithRequest:(NSURLRequest *)request navigationType:(UIWebViewNavigationType)navigationType{return YES;
}//已經(jīng)加載請(qǐng)求
-(void)webViewDidStartLoad:(UIWebView *)webView{//顯示風(fēng)火輪[UIApplication sharedApplication].networkActivityIndicatorVisible = YES;
}
//加載請(qǐng)求成功
-(void)webViewDidFinishLoad:(UIWebView *)webView{[UIApplication sharedApplication].networkActivityIndicatorVisible = YES;
}
//加載請(qǐng)求失敗
-(void)webView:(UIWebView *)webView didFailLoadWithError:(NSError *)error{[UIApplication sharedApplication].networkActivityIndicatorVisible = NO;//加載html （走馬燈）NSString *htmlString = @"<html><marquee><h1>對(duì)不起,網(wǎng)絡(luò)加載請(qǐng)求失敗 ！</h1></marquee></html>";[_webView loadHTMLString:htmlString baseURL:nil];
}/* -- UIWebView//常用屬性id <UIWebViewDelegate> delegate ; //設(shè)置控件的委托NSURLRequest *request //webView網(wǎng)絡(luò)請(qǐng)求BOOL scalesPageToFit ; //根據(jù)屏幕自適應(yīng)BOOL canGoBack ; //可以跳轉(zhuǎn)上一頁BOOL canGoForward ; //可以跳轉(zhuǎn)下一頁BOOL loading ; //正在加載中//常用方法- (void)loadRequest:(NSURLRequest *)request;/加載網(wǎng)絡(luò)請(qǐng)求? - (void)loadHTMLString:(NSString *)string baseURL:(NSURL *)baseURL;//加載本地HTML? - (void)loadData:(NSData *)data MIMEType:(NSString *)MIMEType textEncodingName:(NSString *)textEncodingName baseURL:(NSURL *)baseURL;//加載緩存數(shù)據(jù)? - (void)reload;//刷新當(dāng)前頁? - (void)stopLoading;//停止加載當(dāng)前頁? - (void)goBack;//返回上一頁? - (void)goForward;//跳轉(zhuǎn)下一頁? - (NSString *)stringByEvaluatingJavaScriptFromString:(NSString *)script;//使用js腳本//代理方法- (BOOL)webView:(UIWebView *)webView shouldStartLoadWithRequest:(NSURLRequest *)request navigationType:(UIWebViewNavigationType)navigationType;//允許開始加載網(wǎng)絡(luò)請(qǐng)求? - (void)webViewDidStartLoad:(UIWebView *)webView;//已經(jīng)加載請(qǐng)求? - (void)webViewDidFinishLoad:(UIWebView *)webView;//加載請(qǐng)求成功? - (void)webView:(UIWebView *)webView didFailLoadWithError:(NSError *)error;//加載請(qǐng)求失敗*//* --UITextView//常用屬性d <UITextViewDelegate> delegate ; //設(shè)置UITextView的委托NSString *text; //控件上面的顯示的文字UIFont *font ; //文字字體大小UIColor *textColor ; //字體顏色NSTextAlignment textAlignment ; //文字對(duì)齊方式NSRange *selectedRange ; //選中文字的rangeNSAttributedString *attributedText ; //屬性字符串//常用委托方法- (BOOL)textViewShouldBeginEditing:(UITextView *)textView;//允許開始編輯? - (BOOL)textViewShouldEndEditing:(UITextView *)textView;//允許結(jié)束編輯? - (void)textViewDidBeginEditing:(UITextView *)textView;//已經(jīng)開始編輯? - (void)textViewDidEndEditing:(UITextView *)textView;//已經(jīng)結(jié)束編輯? - (BOOL)textView:(UITextView *)textView shouldChangeTextInRange:(NSRange)range replacementText:(NSString *)text;//允許更改文本? - (void)textViewDidChange:(UITextView *)textView;//文本已經(jīng)更改*/@end
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轉(zhuǎn)載于:https://www.cnblogs.com/longiang7510/p/5394231.html
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