OC向JS传递参数

作者: smooth_lgh | 来源:发表于2017-07-22 18:09 被阅读20次

OC向JS传递参数
Cocos creator ios开发—Javascript和O
UIWebView
iOS原生&JS交互
传递参数
UIWebview、WKWebviewJS交互，以及cookie
OC参数传递
Cococreator JS 调用OC， OC 调用JS
原生与H5交互
Vue-Router2.0使用1

index.html的写法

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
</head>
<body>
<div style="margin-top: 20px">
<h2>JS与OC交互</h2>
<input type="button" value="OC给JS传值" onclick="tianbai.call()">
</div>
<script>
var Callback = function(name,password)
{
    var str = name+password;
    alert(str);
}

</script>
</body>
</html>

在ViewController文件中

#import "ViewController.h"
#import <JavaScriptCore/JavaScriptCore.h>
@interface ViewController ()<UIWebViewDelegate>

@property(nonatomic,strong) UIWebView *indexWebView;

@property(nonatomic,strong)JSContext *jsContext;

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    self.indexWebView = [[UIWebView alloc]initWithFrame:self.view.bounds];
    self.indexWebView.delegate = self;
    NSString* path = [[NSBundle mainBundle] pathForResource:@"index" ofType:@"html"];
    NSURL* url = [NSURL fileURLWithPath:path];
    NSURLRequest* request = [NSURLRequest requestWithURL:url] ;
    [self.indexWebView loadRequest:request];
}

#pragma mark - UIWebViewDelegate

-(void)webViewDidFinishLoad:(UIWebView *)webView
{
    self.jsContext = [webView valueForKeyPath:@"documentView.webView.mainFrame.javaScriptContext"];
    self.jsContext[@"tianbai"] = self;
    self.jsContext.exceptionHandler = ^(JSContext *context, JSValue *exceptionValue) {
        context.exception = exceptionValue;
        NSLog(@"异常信息：%@", exceptionValue);
    };
}

- (void)call{
    NSLog(@"call");
    // 之后在回调js的方法Callback把内容传出去
    JSValue *Callback = self.jsContext[@"Callback"];
    //传值给web端
    [Callback callWithArguments:@[@"liuguanhua",@"123456"]];
}