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ios知识整理:WKWebView|ios知识整理:WKWebView,JavaScript向iOS传参
【ios知识整理:WKWebView|ios知识整理:WKWebView,JavaScript向iOS传参】iOS代码.m
#import
@interface XXXXXX ()
{
WKWebView *_webview;
LikeRoDislikeView *_likeOrDislikeView;
}
@property (strong, nonatomic) WKUserContentController *userContent;
@end@implementation XXXXXX
-(instancetype)init
{
self = [super init];
if (self) {
WKWebViewConfiguration *config = [[WKWebViewConfiguration alloc] init];
self.userContent = [[WKUserContentController alloc] init];
[self.userContent addScriptMessageHandler:selfname:@"ocMethod"];
config.userContentController = self.userContent;
_webview = [[WKWebView alloc] initWithFrame:self.view.frame configuration:config];
;
_webview.frame = self.view.frame;
_webview.scrollView.delegate = self;
[self.view addSubview:_webview];
}
return self;
}- (void)这个方法是我从自己的后台获取html的代码:(NSString *)urlString{
//给自己的从后台获取的html代码创建样式...可以不管这一部分...关注里面的部分就可以了.
NSString *CSS= @"img{margin: 10% 10%;
}div{width:100%}h1{font-size:100px;
color:#333333;
}p{font-size:30px;
color:#333333;
margin:50px 50px;
}";
NSString * htmlString = [NSString stringWithFormat:@"%@%@",CSS,urlString];
//这个基础url是我本地缓存图片的位置.. 可以不管这个...
// 获取当前应用的根目录
NSString *path = [NSHomeDirectory() stringByAppendingPathComponent:@"tmp"];
NSURL *baseURL = [NSURL fileURLWithPath:path];
//body是服务器返回的html格式的文章代码
[_webview loadHTMLString:htmlString baseURL:baseURL];
}-(void)userContentController:(WKUserContentController *)userContentController didReceiveScriptMessage:(WKScriptMessage *)message
{
NSString *messageName = message.name;
if ([@"ocMethod" isEqualToString:messageName])
{
id messageBody = message.body;
NSLog(@"%@",messageBody);
}
}
@end
html代码
文章图片
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