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Jakey
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‎README.md‎

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![image](https://raw.github.com/shaojiankui/WebViewJS/master/thumb.png)

‎WebViewJS.xcodeproj/project.pbxproj‎

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A2E71E26197F911B0055B687 /* UIKit.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = A2E71E0E197F911B0055B687 /* UIKit.framework */; };
2020
A2E71E2E197F911B0055B687 /* InfoPlist.strings in Resources */ = {isa = PBXBuildFile; fileRef = A2E71E2C197F911B0055B687 /* InfoPlist.strings */; };
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A2E71E30197F911B0055B687 /* WebViewJSTests.m in Sources */ = {isa = PBXBuildFile; fileRef = A2E71E2F197F911B0055B687 /* WebViewJSTests.m */; };
22+
A2E71E40197F91360055B687 /* UIWebView+Blocks.m in Sources */ = {isa = PBXBuildFile; fileRef = A2E71E3B197F91360055B687 /* UIWebView+Blocks.m */; };
23+
A2E71E41197F91360055B687 /* UIWebView+Style.m in Sources */ = {isa = PBXBuildFile; fileRef = A2E71E3D197F91360055B687 /* UIWebView+Style.m */; };
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A2E71E42197F91360055B687 /* WebView+Alert.m in Sources */ = {isa = PBXBuildFile; fileRef = A2E71E3F197F91360055B687 /* WebView+Alert.m */; };
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A2E71E46197F913D0055B687 /* light_illstration.png in Resources */ = {isa = PBXBuildFile; fileRef = A2E71E44197F913D0055B687 /* light_illstration.png */; };
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A2E71E49197F91420055B687 /* ViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = A2E71E48197F91420055B687 /* ViewController.m */; };
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A2E71E4B197F91E90055B687 /* ViewController.xib in Resources */ = {isa = PBXBuildFile; fileRef = A2E71E4A197F91E90055B687 /* ViewController.xib */; };
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A2E71E4D197F92260055B687 /* 1.html in Resources */ = {isa = PBXBuildFile; fileRef = A2E71E4C197F92260055B687 /* 1.html */; };
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/* Begin PBXContainerItemProxy section */
@@ -48,6 +56,18 @@
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A2E71E2B197F911B0055B687 /* WebViewJSTests-Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = "WebViewJSTests-Info.plist"; sourceTree = "<group>"; };
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A2E71E2F197F911B0055B687 /* WebViewJSTests.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = WebViewJSTests.m; sourceTree = "<group>"; };
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A2E71E3B197F91360055B687 /* UIWebView+Blocks.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = "UIWebView+Blocks.m"; sourceTree = "<group>"; };
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A2E71E3D197F91360055B687 /* UIWebView+Style.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = "UIWebView+Style.m"; sourceTree = "<group>"; };
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A2E71E3F197F91360055B687 /* WebView+Alert.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = "WebView+Alert.m"; sourceTree = "<group>"; };
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A2E71E47197F91420055B687 /* ViewController.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = ViewController.h; sourceTree = "<group>"; };
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A2E71E48197F91420055B687 /* ViewController.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = ViewController.m; sourceTree = "<group>"; };
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A2E71E4A197F91E90055B687 /* ViewController.xib */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = file.xib; path = ViewController.xib; sourceTree = "<group>"; };
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A2E71E4C197F92260055B687 /* 1.html */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.html; path = 1.html; sourceTree = "<group>"; };
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/* End PBXFileReference section */
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/* Begin PBXFrameworksBuildPhase section */
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A2E71E10197F911B0055B687 /* WebViewJS */ = {
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isa = PBXGroup;
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children = (
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A2E71E39197F91360055B687 /* category */,
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A2E71E19197F911B0055B687 /* AppDelegate.h */,
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A2E71E1A197F911B0055B687 /* AppDelegate.m */,
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A2E71E47197F91420055B687 /* ViewController.h */,
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A2E71E48197F91420055B687 /* ViewController.m */,
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A2E71E4A197F91E90055B687 /* ViewController.xib */,
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A2E71E43197F913D0055B687 /* light_advice.png */,
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A2E71E44197F913D0055B687 /* light_illstration.png */,
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A2E71E4C197F92260055B687 /* 1.html */,
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A2E71E1C197F911B0055B687 /* Images.xcassets */,
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A2E71E11197F911B0055B687 /* Supporting Files */,
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);
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name = "Supporting Files";
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sourceTree = "<group>";
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};
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A2E71E39197F91360055B687 /* category */ = {
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isa = PBXGroup;
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children = (
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A2E71E3A197F91360055B687 /* UIWebView+Blocks.h */,
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A2E71E3B197F91360055B687 /* UIWebView+Blocks.m */,
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A2E71E3C197F91360055B687 /* UIWebView+style.h */,
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A2E71E3D197F91360055B687 /* UIWebView+Style.m */,
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A2E71E3E197F91360055B687 /* WebView+Alert.h */,
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A2E71E3F197F91360055B687 /* WebView+Alert.m */,
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);
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path = category;
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sourceTree = "<group>";
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};
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/* End PBXGroup section */
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/* Begin PBXNativeTarget section */
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isa = PBXResourcesBuildPhase;
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buildActionMask = 2147483647;
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files = (
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A2E71E4B197F91E90055B687 /* ViewController.xib in Resources */,
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A2E71E46197F913D0055B687 /* light_illstration.png in Resources */,
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A2E71E15197F911B0055B687 /* InfoPlist.strings in Resources */,
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A2E71E1D197F911B0055B687 /* Images.xcassets in Resources */,
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A2E71E4D197F92260055B687 /* 1.html in Resources */,
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A2E71E45197F913D0055B687 /* light_advice.png in Resources */,
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);
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runOnlyForDeploymentPostprocessing = 0;
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};
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isa = PBXSourcesBuildPhase;
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buildActionMask = 2147483647;
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files = (
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A2E71E49197F91420055B687 /* ViewController.m in Sources */,
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A2E71E40197F91360055B687 /* UIWebView+Blocks.m in Sources */,
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A2E71E1B197F911B0055B687 /* AppDelegate.m in Sources */,
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A2E71E17197F911B0055B687 /* main.m in Sources */,
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A2E71E41197F91360055B687 /* UIWebView+Style.m in Sources */,
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A2E71E42197F91360055B687 /* WebView+Alert.m in Sources */,
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);
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runOnlyForDeploymentPostprocessing = 0;
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};

‎WebViewJS/1.html‎

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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<style type="text/css">
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.detail{
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color:#787878;
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font-size: 14px;
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}
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.detail p{
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text-indent:2em;
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}
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.pic img{
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width:113px;
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height:20px;
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}
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</style>
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<script type="text/javascript">
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function showAlert(hahahha) {
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alert(hahahha);
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}
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</script>
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</head>
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<body>
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<div id="idTest">
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</div>
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<form method="get" action="http://www.baidu.com/s">
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<input type="text" id = "wd" name ="wd" value="123"/>
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<input type="submit" id ="submitButton" name ="submitButton" value="提交"/>
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</form>
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<div class="detail">
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<div class = "pic"><img src="light_illstration.png"></div>
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<p>
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颗粒滤清器故障，柴油颗粒过滤器需要进行还原。
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</p>
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</div>
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<div class="detail">
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<div class = "pic"><img src="light_advice.png"></div>
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<p>
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请以 4 档或 5 档（或 S档）、最低 60 km/h 的速度行驶大约 15 分钟，使发动机转速保持在大约 2000 转/ 分钟，直至指示灯熄灭。如果指示灯没有熄灭，请立即驶往维修站排除故障。确保您的车速与天气、道路、地形和交通状况相适应。不得由于行车建议而不遵守道路交通的法规。
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</p>
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</div>
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</body>
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</html>

‎WebViewJS/AppDelegate.h‎

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//
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#import <UIKit/UIKit.h>
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#import "ViewController.h"
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@interface AppDelegate : UIResponder <UIApplicationDelegate>
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@property (strong, nonatomic) UIWindow *window;
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@property (strong, nonatomic) ViewController *viewController;
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@end

‎WebViewJS/AppDelegate.m‎

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// AppDelegate.m
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// WebViewJS
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//
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// Created by Jakey on 14-7-23.
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// Copyright (c) 2014年 Jakey. All rights reserved.
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// Created by jakey on 14-5-27.
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// Copyright (c) 2014年 jakey. All rights reserved.
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//
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#import "AppDelegate.h"
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#import "ViewController.h"
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@implementation AppDelegate
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- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
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{
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self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
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// Override point for customization after application launch.
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self.window.backgroundColor = [UIColor whiteColor];
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self.viewController = [[ViewController alloc] initWithNibName:@"ViewController" bundle:nil];
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self.window.rootViewController = self.viewController;
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[self.window makeKeyAndVisible];
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return YES;
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}

‎WebViewJS/ViewController.h‎

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//
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// ViewController.h
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// WebViewJS
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//
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// Created by jakey on 14-5-27.
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// Copyright (c) 2014年 jakey. All rights reserved.
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//
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#import <UIKit/UIKit.h>
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@interface ViewController : UIViewController
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@property (weak, nonatomic) IBOutlet UIWebView *myWeb;
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@property (strong, nonatomic) NSString *someString;
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- (IBAction)loadTouched:(id)sender;
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- (IBAction)exeFuncTouched:(id)sender;
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- (IBAction)insertHtmTouched:(id)sender;
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- (IBAction)inputButtonTouched:(id)sender;
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- (IBAction)insertJSTouched:(id)sender;
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- (IBAction)insertDivHtml:(id)sender;
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- (IBAction)submitTouched:(id)sender;
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- (IBAction)replaceImgSrc:(id)sender;
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@end

‎WebViewJS/ViewController.m‎

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//
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// ViewController.m
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// WebViewJS
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//
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// Created by jakey on 14-5-27.
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// Copyright (c) 2014年 jakey. All rights reserved.
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//
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#import "ViewController.h"
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@interface ViewController ()
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@end
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@implementation ViewController
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- (void)viewDidLoad
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{
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[super viewDidLoad];
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// Do any additional setup after loading the view, typically from a nib.
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self.someString = @"UIWebView是iOS最常用的SDK之一，它有一个stringByEvaluatingJavaScriptFromString方法可以将javascript嵌入页面中，通过这个方法我们可以在iOS中与UIWebView中的网页元素交互";
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[self loadTouched:nil];
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}
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- (void)didReceiveMemoryWarning
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{
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[super didReceiveMemoryWarning];
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// Dispose of any resources that can be recreated.
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}
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- (IBAction)loadTouched:(id)sender {
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NSString *filePath = [[NSBundle mainBundle]pathForResource:@"1" ofType:@"html"];
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NSURL *url = [NSURL fileURLWithPath:filePath];
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NSURLRequest *request = [NSURLRequest requestWithURL:url];
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[self.myWeb loadRequest:request];
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}
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//执行已经存在的js方法
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- (IBAction)exeFuncTouched:(id)sender {
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[self.myWeb stringByEvaluatingJavaScriptFromString:@"showAlert(\"hahahha\");"];
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}
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//插入html getElementsByTagName 根据html自带标签定位元素
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- (IBAction)insertHtmTouched:(id)sender {
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//插入整个页面内容
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// document.getElementsByTagName('body')[0];"
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//替换第一个P元素内容
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NSString *tempString = [NSString stringWithFormat:@"document.getElementsByTagName('p')[0].innerHTML ='%@';",self.someString];
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[self.myWeb stringByEvaluatingJavaScriptFromString:tempString];
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}
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// 插入html 根据getElementById 定位元素
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- (IBAction)insertDivHtml:(id)sender {
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//替换第id为idtest的DIV元素内容
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NSString *tempString2 = [NSString stringWithFormat:@"document.getElementById('idTest').innerHTML ='%@';",self.someString];
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[self.myWeb stringByEvaluatingJavaScriptFromString:tempString2];
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}
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//修改input值 getElementsByName根据标签名称获取定位元素
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- (IBAction)inputButtonTouched:(id)sender {
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NSString *tempString = [NSString stringWithFormat:@"document.getElementsByName('wd')[0].value='%@';",self.someString];
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[self.myWeb stringByEvaluatingJavaScriptFromString:tempString];
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}
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//插入js 并且执行传值
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- (IBAction)insertJSTouched:(id)sender {
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NSString *insertString = [NSString stringWithFormat:
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@"var script = document.createElement('script');"
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"script.type = 'text/javascript';"
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"script.text = \"function jsFunc() { "
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"var a=document.getElementsByTagName('body')[0];"
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"alert('%@');"
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"}\";"
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"document.getElementsByTagName('head')[0].appendChild(script);", self.someString];
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NSLog(@"insert string %@",insertString);
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[self.myWeb stringByEvaluatingJavaScriptFromString:insertString];
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[self.myWeb stringByEvaluatingJavaScriptFromString:@"jsFunc();"];
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}
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- (IBAction)submitTouched:(id)sender {
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[self.myWeb stringByEvaluatingJavaScriptFromString:@"document.forms[0].submit(); "];
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}
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//替换图片地址
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- (IBAction)replaceImgSrc:(id)sender {
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NSString *tempString2 = [NSString stringWithFormat:@"document.getElementsByTagName('img')[0].src ='%@';",@"light_advice.png"];
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[self.myWeb stringByEvaluatingJavaScriptFromString:tempString2];
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}
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@end

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