{"id":6889,"date":"2023-10-17T17:25:21","date_gmt":"2023-10-17T09:25:21","guid":{"rendered":"https:\/\/www.yimenyun.cn\/emen\/?p=6889"},"modified":"2023-10-17T17:25:21","modified_gmt":"2023-10-17T09:25:21","slug":"%e5%ae%89%e5%8d%93%e6%b7%b7%e5%90%88%e5%bc%80%e5%8f%91%e6%8a%80%e6%9c%af%e5%8e%9f%e7%90%86%e4%bb%8b%e7%bb%8d","status":"publish","type":"post","link":"https:\/\/www.yimenyun.cn\/emen\/6889\/","title":{"rendered":"\u5b89\u5353\u6df7\u5408\u5f00\u53d1\u6280\u672f\u539f\u7406\u4ecb\u7ecd"},"content":{"rendered":"

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\u5b89\u5353\u6df7\u5408\u5f00\u53d1\u7684\u539f\u7406\u4e3b\u8981\u662f\u901a\u8fc7WebView\u63a7\u4ef6\u5c06Web\u9875\u9762\u5d4c\u5165\u5230\u5b89\u5353\u5e94\u7528\u4e2d\uff0c\u5e76\u901a\u8fc7JavaScript\u548c\u539f\u751f\u4ee3\u7801\u8fdb\u884c\u4ea4\u4e92\u3002WebView\u662f\u5b89\u5353\u63d0\u4f9b\u7684\u4e00\u4e2a\u5185\u7f6e\u6d4f\u89c8\u5668\u63a7\u4ef6\uff0c\u53ef\u4ee5\u5728\u5e94\u7528\u4e2d\u52a0\u8f7dWeb\u9875\u9762\uff0c\u540c\u65f6\u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u7684API\uff0c\u53ef\u4ee5\u5b9e\u73b0\u4e0e\u539f\u751f\u4ee3\u7801\u7684\u4ea4\u4e92\u3002<\/p>\n

\u4e00\u952e\u751f\u6210\u5668<\/a>\u5177\u4f53\u5b9e\u73b0\u8fc7\u7a0b\u5982\u4e0b\uff1a<\/p>\n

1. \u521b\u5efa\u4e00\u4e2aWebView\u63a7\u4ef6\uff0c\u5e76\u52a0\u8f7dWeb\u9875\u9762\u3002<\/p>\n

“`java<\/p>\n

WebView webView = findViewById(R.id.webView);<\/p>\n

webView.loadUrl(“http:\/\/www.example.com”);<\/p>\n

“`<\/p>\n

2. \u5728Web\u9875\u9762\u4e2d\u901a\u8fc7JavaScript\u8c03\u7528\u539f\u751f\u4ee3\u7801\u3002<\/p>\n

“`javascript<\/p>\n

\/\/ \u5728Web\u9875\u9762\u4e2d\u8c03\u7528\u539f\u751f\u4ee3\u7801<\/p>\n

window.android.showToast(“Hello World”);<\/p>\n

“`<\/p>\n

3. \u5728\u539f\u751f\u4ee3\u7801\u4e2d\u5b9e\u73b0JavaScript\u63a5\u53e3\uff0c\u5e76\u5904\u7406Web\u9875\u9762\u8c03\u7528\u3002<\/p>\n

“`java<\/p>\n

\/\/ \u5728\u539f\u751f\u4ee3\u7801\u4e2d\u5b9e\u73b0JavaScript\u63a5\u53e3<\/p>\n

public class JavaScriptInterface {<\/p>\n

<\/figure>\n<\/p>\n

private Context mCohtml to apk<\/a>ntext;<\/p>\n

public JavaScriptInterface(Context context) {<\/p>\n

mContext = context;<\/p>\n

}<\/p>\n

@JavascriptInterface<\/p>\n

public void showToast(String message) {<\/p>\n

Toast.makeText(mContext, message, Toast.LENGTH_SHORT).show();<\/p>\n

}<\/p>\n

}<\/p>\n

\/\/ \u5c06JavaScript\u63a5\u53e3\u7ed1\u5b9a\u5230WebView\u63a7\u4ef6<\/p>\n

webView.addJavascriptInterface(new JavaScriptInterface(this), “android”);<\/p>\n

“`<\/p>\n

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1. \u53ef\u4ee5\u5145\u5206\u5229\u7528Web\u6280\u672f\u7684\u4f18\u52bf\uff0c\u5982HTML\u3001CSS\u3001JavaScript\u7b49\uff0c\u5b9e\u73b0\u66f4\u52a0\u7075\u6d3b\u3001\u9ad8\u6548\u7684\u5f00\u53d1\u3002<\/p>\n

2. \u53ef\u4ee5\u5feb\u901f\u5b9e\u73b0\u5e94\u7528\u539f\u578b\uff0c\u51cf\u5c11\u5f00\u53d1\u5468\u671f\u548c\u6210\u672c\u3002<\/p>\n

3. \u53ef\u4ee5\u5728Web\u9875\u9762\u4e2d\u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93\u548c\u6846\u67b6\uff0c\u63d0\u9ad8\u5f00\u53d1\u6548\u7387\u548c\u4ee3\u7801\u8d28\u91cf\u3002<\/p>\n

4. \u53ef\u4ee5\u5b9e\u73b0\u539f\u751f\u4e0eWeb\u7684\u65e0\u7f1d\u8854\u63a5\uff0c\u63d0\u5347\u7528\u6237\u4f53\u9a8c\u548c\u5e94\u7528\u6027\u80fd\u3002<\/p>\n

\u5b89\u5353\u6df7\u5408\u5f00\u53d1\u4e5f\u5b58\u5728\u4e00\u4e9b\u7f3a\u70b9\uff0c\u5982\u6027\u80fd\u95ee\u9898\u3001\u5b89\u5168\u95ee\u9898\u3001\u517c\u5bb9\u6027\u95ee\u9898\u7b49\uff0c\u4f46\u8fd9\u4e9b\u95ee\u9898\u90fd\u53ef\u4ee5\u901a\u8fc7\u6280\u672f\u624b\u6bb5\u548c\u89c4\u8303\u6765\u89e3\u51b3\u3002\u603b\u7684\u6765\u8bf4\uff0c\u5b89\u5353\u6df7\u5408\u5f00\u53d1\u662f\u4e00\u79cd\u975e\u5e38\u6709\u524d\u666f\u548c\u5b9e\u7528\u6027\u7684\u5f00\u53d1\u65b9\u5f0f\uff0c\u503c\u5f97\u5f00\u53d1\u4eba\u5458\u6df1\u5165\u5b66\u4e60\u548c\u7814\u7a76\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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