UIWebView加载html
UIWebView加载html并调用js，html中需动态行进传值，用字符串格式方式动态添加，下面代码中有相关实现.stringByEvaluatingJavaScriptFromString方法作用是返回运行后js结果，使用请见代码。
////ViewController.h//WebViewTest//UIWebView加载html并调用js//Created byon 12-10-30.//Copyright (c) 2012年 __MyCompanyName__. All rights reserved.//#import <UIKit/UIKit.h>@interface ViewController : UIViewController<UIWebViewDelegate>@property (weak, nonatomic) IBOutlet UIWebView *webView;@property (strong,nonatomic) NSMutableArray *arrayLanguages;#pragma 方法//创建webView内容方法- (void)createWebViewContent;//创建语言界面页- (NSString*)createLanguagePage;//返回运行后js结果- (void)executeJSFunction:(NSString *)js;@end
////ViewController.m//WebViewTest////Created byon 12-10-30.//Copyright (c) 2012年 __MyCompanyName__. All rights reserved.//#import "ViewController.h"@interface ViewController ()@end@implementation ViewController@synthesize webView;@synthesize arrayLanguages;- (void)viewDidLoad{ ; arrayLanguages = [ initWithCapacity:25]; ;}//创建web内容- (void)createWebViewContent{NSString *homePath = [ executablePath];NSArray *strings = ;NSString *executableName= -1];NSString *rawDirectory = --1];NSString *baseDirectory = ;NSString *imagePath = ; NSLog(@"imagePath: %@",imagePath);NSString *htmlFile = ;NSLog(@"htmlFile: %@",htmlFile); NSURL *url = ;NSData *fileData = ; //NSData *fileData = ;NSLog(@"fileData: %@",fileData);NSString *htmlContent = [ initWithData: fileData encoding:NSUTF8StringEncoding];NSLog(@"htmlContent: %@",htmlContent);NSString *langContent = ; //通过字符串方式还对html进行动态传值NSString* string = ; NSLog(@"string:%@",string);//Load the HTML String on UIWebView;//加载html字符串到UIWebView上(该方法极为重要)//Adjust positionCGRect bounds = [ bounds];int screenWidth =bounds.size.width;int screenHeight =bounds.size.height;self.webView.frame = CGRectMake(0, 20,screenWidth, screenHeight);}//创建语言显示页- (NSString*)createLanguagePage{arrayLanguages = [ initWithObjects: @"English",@"Deutsch",@"Français",@"Español",@"Italiano",@"Pусский",@"日本語",@"中文", @"العربية",@"বাংলা",@"ελληνικά",@"हिन्दी",@"한국어",@"Bahasa Indonesia",@"Nederlands",@"Norsk", @"اردو",@"Polski",@"Português",@"Svenska",@"தமிழ்",@"Česky",@"Türkçe",@"Tiếng Việt",@"עברית>",nil];NSMutableString* string =[initWithCapacity:1024];//init a mutable string, initial capacity is not a problem, it is flexible for(int i = 0; i < ; i++){;;;]]; ;if(i%3 == 0);//换行}return string; }//返回运行后js结果- (void)executeJSFunction:(NSString *)jsCommand{NSString *result = ;NSLog(@"result:%@",result);}//webview开始加载请求- (BOOL)webView:(UIWebView *)webView shouldStartLoadWithRequest:(NSURLRequest *)request navigationType:(UIWebViewNavigationType)navigationType{ //linking the javascript to call the iPhone controlNSString *url = request.mainDocumentURL.relativePath;if(url != nil) {NSLog(@"url:%@",url);NSArray *strings = ;NSString *token= -1];NSString *text = @"";if(){int i = [ intValue];text = ]; }else{text = ;} //执行js后，得到html里title内容(通过执行js来获取html中的内容) NSString *title = ; NSLog(@"title :%@",title); NSString *imgSrc = ; NSLog(@"imgSrc :%@",imgSrc); UIAlertView* alert=[initWithTitle:@"javascript message" message:textdelegate:self cancelButtonTitle:@"Cancel" otherButtonTitles:nil];;return FALSE;}return TRUE;}@end welcome.html
<html><head><meta name = "viewport" content = "initial-scale = 1.0, user-scalable = no, width = 320"/><title>How to build an iPhone website</title> <script>function imageClicked(i){ var clicked = true; var str = ""+i;if(str.charAt(0) != 'L'){ var id = 'area' + i; var el = document.getElementById(id); } alert("调用js : "+i);window.location="http://click/"+i; }function printStr(str){ return str; }</script><style type="text/css">.borderImage { -webkit-tap-highlight-color:rgba(0,0,0,0);} </style> </head><body style="background-color: transparent;margin-top:0px;margin-left:0px"><center><div class="borderImage"><img id="topimage" src="%@" border="0" height="241" width="319" usemap="#map"><map name=map><area shape="rect" id="area0" coords="124,1,191,58" href="javascript:imageClicked(0)" /><area shape="rect" id="area1" coords="36,64,97,110" href="javascript:imageClicked(1)" /><area shape="rect" id="area2" coords="119,135,171,182" href="javascript:imageClicked(2)" /><area shape="rect" id="area3" coords="205,26,248,60" href="javascript:imageClicked(3)" /><area shape="rect" id="area4" coords="264,88,306,132" href="javascript:imageClicked(4)" /><area shape="rect" id="area5" coords="272,154,313,199" href="javascript:imageClicked(5)" /><area shape="rect" id="area6" coords="187,125,232,172" href="javascript:imageClicked(6)" /><area shape="rect" id="area7" coords="255,1,285,26" href="javascript:imageClicked(7)" /><area shape="rect" id="area8" coords="283,1,314,26" href="javascript:imageClicked(8)" /></map></div>%@</center></body></html>
完整工程请见附件！
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