package com.goldencarp.lingqianbao.view.custom.jswebview; import android.content.Context; import com.tencent.smtt.sdk.WebView; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; public class BridgeUtil { final static String YY_OVERRIDE_SCHEMA = "yy://"; final static String YY_RETURN_DATA = YY_OVERRIDE_SCHEMA + "return/";//格式为 yy://return/{function}/returncontent final static String YY_FETCH_QUEUE = YY_RETURN_DATA + "_fetchQueue/"; final static String EMPTY_STR = ""; final static String UNDERLINE_STR = "_"; final static String SPLIT_MARK = "/"; final static String CALLBACK_ID_FORMAT = "JAVA_CB_%s"; final static String JS_HANDLE_MESSAGE_FROM_JAVA = "javascript:WebViewJavascriptBridge._handleMessageFromNative('%s');"; final static String JS_FETCH_QUEUE_FROM_JAVA = "javascript:WebViewJavascriptBridge._fetchQueue();"; public final static String JAVASCRIPT_STR = "javascript:"; // 例子 javascript:WebViewJavascriptBridge._fetchQueue(); --> _fetchQueue public static String parseFunctionName(String jsUrl){ return jsUrl.replace("javascript:WebViewJavascriptBridge.", "").replaceAll("\\(.*\\);", ""); } // 获取到传递信息的body值 // url = yy://return/_fetchQueue/[{"responseId":"JAVA_CB_2_3957","responseData":"Javascript Says Right back aka!"}] public static String getDataFromReturnUrl(String url) { if(url.startsWith(YY_FETCH_QUEUE)) { // return = [{"responseId":"JAVA_CB_2_3957","responseData":"Javascript Says Right back aka!"}] return url.replace(YY_FETCH_QUEUE, EMPTY_STR); } // temp = _fetchQueue/[{"responseId":"JAVA_CB_2_3957","responseData":"Javascript Says Right back aka!"}] String temp = url.replace(YY_RETURN_DATA, EMPTY_STR); String[] functionAndData = temp.split(SPLIT_MARK); if(functionAndData.length >= 2) { StringBuilder sb = new StringBuilder(); for (int i = 1; i < functionAndData.length; i++) { sb.append(functionAndData[i]); } // return = [{"responseId":"JAVA_CB_2_3957","responseData":"Javascript Says Right back aka!"}] return sb.toString(); } return null; } // 获取到传递信息的方法 // url = yy://return/_fetchQueue/[{"responseId":"JAVA_CB_1_360","responseData":"Javascript Says Right back aka!"}] public static String getFunctionFromReturnUrl(String url) { // temp = _fetchQueue/[{"responseId":"JAVA_CB_1_360","responseData":"Javascript Says Right back aka!"}] String temp = url.replace(YY_RETURN_DATA, EMPTY_STR); String[] functionAndData = temp.split(SPLIT_MARK); if(functionAndData.length >= 1){ // functionAndData[0] = _fetchQueue return functionAndData[0]; } return null; } /** * js 文件将注入为第一个script引用 * @param view WebView * @param url url */ public static void webViewLoadJs(WebView view, String url){ String js = "var newscript = document.createElement(\"script\");"; js += "newscript.src=\"" + url + "\";"; js += "document.scripts[0].parentNode.insertBefore(newscript,document.scripts[0]);"; view.loadUrl("javascript:" + js); } /** * 这里只是加载lib包中assets中的 WebViewJavascriptBridge.js * @param view webview * @param path 路径 */ public static void webViewLoadLocalJs(WebView view, String path){ String jsContent = assetFile2Str(view.getContext(), path); view.loadUrl("javascript:" + jsContent); } /** * 解析assets文件夹里面的代码,去除注释,取可执行的代码 * @param c context * @param urlStr 路径 * @return 可执行代码 */ public static String assetFile2Str(Context c, String urlStr){ InputStream in = null; try{ in = c.getAssets().open(urlStr); BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(in)); String line = null; StringBuilder sb = new StringBuilder(); do { line = bufferedReader.readLine(); if (line != null && !line.matches("^\\s*\\/\\/.*")) { // 去除注释 sb.append(line); } } while (line != null); bufferedReader.close(); in.close(); return sb.toString(); } catch (Exception e) { e.printStackTrace(); } finally { if(in != null) { try { in.close(); } catch (IOException e) { } } } return null; } }