From c4df98c26cde5e7e4da0bf0b72e019a01a2386c7 Mon Sep 17 00:00:00 2001
From: Tevin <tingquanren@163.com>
Date: Sat, 16 Jul 2022 18:55:43 +0800
Subject: [PATCH] 实现图片文件管理 java 通讯
---
common/Bridge.js | 151 +++++++++++++++++++++++++++++++++++++++++++++-----
1 files changed, 136 insertions(+), 15 deletions(-)
diff --git a/common/Bridge.js b/common/Bridge.js
index f927482..8514c83 100644
--- a/common/Bridge.js
+++ b/common/Bridge.js
@@ -22,6 +22,10 @@
* window.linking('{method:\'methodName\', param:{key2:\'value2\'}, marker:\'mk222at1541994536008\'}');
*/
+import { Fetcher } from '@components/bases/Fetcher';
+import { Tools } from '@components/common/Tools';
+import { $fileTrans } from '@components/common/FileTransform';
+
export class Bridge {
constructor() {
@@ -84,16 +88,27 @@
*/
_sendLinking(method, param, callback) {
// 数据检查
- if (Object.prototype.toString.call(param) !== '[object Object]') {
+ if (!Tools.isObject(param)) {
console.error('$bridge.invoking 需要接受 JSON 对象！');
return;
}
+ // 转换发送参数键名为下划线
+ param = this.transKeyName('underline', param);
// 如果有回调，转存回调
const name = 'cb' + this._data.count++ + 'at' + Date.now();
this[name] = (res) => {
- if (callback && Object.prototype.toString.call(callback) === '[object Function]') {
+ if (callback && Tools.isFunction(callback)) {
if (res) {
- const data = typeof res === 'string' ? JSON.parse(res) : res;
+ let data;
+ try {
+ // 转对象
+ data = typeof res === 'string' ? JSON.parse(res) : res;
+ // 转换接收参数键名为驼峰
+ data = this.transKeyName('camel', data);
+ } catch (e) {
+ Tools.toast('跨端通讯异常：解析数据失败！');
+ return;
+ }
callback(data);
} else {
callback();
@@ -115,14 +130,11 @@
* @param {object|function} [param]
* @param {function} [callback]
*/
- invoking(method, param, callback) {
+ invoking(method, param = {}, callback) {
// param 为函数时
- const trans = param;
- if (trans && Object.prototype.toString.call(trans) === '[object Function]') {
- callback = trans;
+ if (param && Tools.isFunction(param)) {
+ callback = param;
param = {};
- } else {
- callback = null;
}
if (this._checkLinking()) {
this._sendLinking(method, param, callback);
@@ -141,20 +153,25 @@
window.telling = (res) => {
const data = typeof res === 'string' ? JSON.parse(res) : res;
const { method, param, marker } = data;
+ // 转换接收参数键名为驼峰
+ const param2 = this.transKeyName('camel', param);
if (this._receives[method]) {
+ // 有通知回调
if (marker) {
- this._receives[method](param, (param2) => {
+ this._receives[method](param2, (param2) => {
this._sendTelling(method, param2 || {}, marker);
});
- } else {
- this._receives[method](param);
+ }
+ // 无通知回调
+ else {
+ this._receives[method](param2);
}
}
};
}
/**
- * 发送响应
+ * 回发App通知的响应
* @param {string} method
* @param {object} param
* @param {string} marker
@@ -162,10 +179,12 @@
*/
_sendTelling(method, param, marker) {
// 数据检查
- if (Object.prototype.toString.call(param) !== '[object Object]') {
+ if (!Tools.isObject(param)) {
console.error('$bridge.register 注册的函数需要接受 JSON 对象！');
return;
}
+ // 转换发送参数键名为下划线
+ param = this.transKeyName('underline', param);
// 发送
window.aisim.linking(JSON.stringify({
method,
@@ -175,7 +194,7 @@
}
/**
- * 注册接收指令，可供 app 查询
+ * 注册接收指令，可接收 app 通知
* @param method
* @param callback
*/
@@ -191,6 +210,108 @@
return platform === 'android' || platform === 'iOS';
}
+ /**
+ * 键名转换
+ * @param type
+ * @param json
+ */
+ transKeyName(type, json) {
+ return Fetcher.prototype.transKeyName(type, json);
+ }
+
+ /* ----- 文件系统 ----- */
+
+ /**
+ * 保存文件 base64 到 java
+ * @param objUrl
+ * @param callback
+ */
+ fileSave(objUrl, callback) {
+ // 分段存储
+ const saveFileChunk = (baseData, index) => {
+ const writeData = {
+ fileName: baseData.fileName,
+ currentIdx: index,
+ totalIdx: baseData.total,
+ data: baseData.baseArr[index],
+ };
+ this.invoking('img_write', writeData, res => {
+ if (res.result === false) {
+ Tools.toast(res.msg);
+ return;
+ }
+ // 按分段递归保存
+ if (index < baseData.total - 1) {
+ setTimeout(() => {
+ saveFileChunk(baseData, index + 1);
+ }, 10);
+ }
+ // 已完成
+ else {
+ callback && callback('bridge:' + baseData.fileName);
+ }
+ });
+ };
+ $fileTrans.transObjUrlToBaseData(objUrl, baseData => {
+ saveFileChunk(baseData, 0);
+ });
+ }
+
+ /**
+ * 从 java 读取文件 base64
+ * @param fileName
+ * @param callback
+ */
+ fileLoad(fileName, callback) {
+ if (fileName.indexOf('bridge:') < 0) {
+ callback('');
+ return;
+ }
+ fileName = fileName.split(':')[1];
+ const chunkSize = $fileTrans.getChunkSize();
+ const baseArr = [];
+ let totalSize = 0;
+ let totalCount = 0;
+ const loadFileChunk = (index) => {
+ const loadData = {
+ fileName,
+ offset: chunkSize * index,
+ length: chunkSize,
+ };
+ this.invoking('img_read', loadData, res => {
+ if (totalSize === 0) {
+ totalSize = res.totalSize;
+ totalCount = Math.ceil(res.totalSize / chunkSize);
+ }
+ baseArr.push(res.data);
+ // 按分段递归读取
+ if (totalCount > 1 && totalCount - 1 > index) {
+ loadFileChunk(index + 1);
+ }
+ // 读取完成
+ else {
+ const baseData = {
+ baseArr,
+ fileName,
+ };
+ $fileTrans.transBaseDataToObjUrl(baseData, objUrl => {
+ callback && callback(objUrl);
+ });
+ }
+ });
+ };
+ loadFileChunk(0);
+ }
+
+ fileRemove(fileName) {
+ if (fileName.indexOf('bridge:') < 0) {
+ callback('');
+ return;
+ }
+ fileName = fileName.split(':')[1];
+ this.invoking('img_del', { fileName });
+ }
+
}
// 全局服务实例
--
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