mirror of
https://github.com/thinkjs/thinkjs.git
synced 2026-01-25 14:42:47 +00:00
313 lines
7.6 KiB
JavaScript
313 lines
7.6 KiB
JavaScript
var fs = require('fs');
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var path = require('path');
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var _alias = {};
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var _autoload_callbacks = [];
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/**
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* thinkRequire获取到的路径
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* @param {[type]} name [description]
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* @return {[type]} [description]
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*/
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global.getThinkRequirePath = function(name){
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'use strict';
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if (name in _alias) {
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return _alias[name];
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}
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var filepath, callback;
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for(var i = 0, length =_autoload_callbacks.length; i < length; i++){
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callback = _autoload_callbacks[i];
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filepath = callback && callback(name);
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if (filepath) {
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//非debug模式下，将查找到文件路径缓存起来
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if (!global.APP_DEBUG) {
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_alias[name] = filepath;
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}
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return filepath;
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}
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}
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//非debug模式下，即使类文件不存在，也可以缓存起来
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//这样后续查找直接告知不存在，减少查找的过程
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if (!global.APP_DEBUG) {
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_alias[name] = '';
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}
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return '';
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}
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/**
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* 自定义的require, 加入别名功能
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* @type {[type]}
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*/
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global.thinkRequire = function(name){
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'use strict';
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//如果不是字符串则直接返回
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if (!isString(name)) {
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return name;
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}
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var path = name;
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if (path[0] !== '/') {
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path = getThinkRequirePath(name);
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}
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if (path) {
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var obj = require(path);
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if (isFunction(obj)) {
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//修正子类继承的方法获取到正确的文件名
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obj.prototype.__filename = path;
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}
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return obj;
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}
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return require(name);
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};
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/**
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* 注册require
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* @param {Function} callback [description]
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* @return {[type]} [description]
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*/
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global.registerAutoload = function(callback){
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'use strict';
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_autoload_callbacks.push(callback);
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};
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/**
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* 别名
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* @return {[type]} [description]
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*/
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global.aliasImport = function(alias, classFile){
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'use strict';
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if (isString(alias)) {
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_alias[alias] = classFile;
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}else{
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_alias = extend(_alias, alias);
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}
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};
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//常用类的基类
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['Cache', 'Behavior', 'Controller', 'Session', 'Model', 'Db'].forEach(function(item){
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'use strict';
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global[item] = function(super_, obj){
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if (isString(super_)) {
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return Class(obj, thinkRequire(super_));
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}
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return Class(super_, thinkRequire(item));
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};
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});
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/**
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* 调用一个指定的行为
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* @param {[type]} name [description]
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*/
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global.B = function(name, http, data){
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'use strict';
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if (!name) {
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return data;
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}
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if (typeof name === 'function') {
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return name(http, data);
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}
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return thinkRequire(name + 'Behavior')(http).run(data);
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};
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/**
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* 处理标签扩展
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* @return {[type]} [description]
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*/
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global.tag = function(name, http, data){
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'use strict';
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var tags = (C('tag.' + name) || []).slice();
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//tag处理的数据
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http.tag_data = data;
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if (!tags.length) {
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return getPromise(http.tag_data);
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}
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var index = 0;
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function runBehavior(){
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var behavior = tags[index++];
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if (!behavior) {
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return getPromise(http.tag_data);
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}
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var result = B(behavior, http, http.tag_data);
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return getPromise(result).then(function(data){
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//如果返回值不是undefined，那么认为有返回值
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if (data !== undefined) {
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http.tag_data = data;
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}
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return runBehavior();
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})
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}
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return runBehavior();
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};
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/**
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* 配置读取和写入
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*/
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var _config = {};
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global.C = function(name, value){
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'use strict';
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//获取所有的配置
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if (arguments.length === 0) {
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return _config;
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}
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//清除所有的配置
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if (name === null) {
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_config = {};
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return;
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}
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if (isString(name)) {
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name = name.toLowerCase();
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//name里不含. 一级
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if (name.indexOf('.') === -1) {
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if (value === undefined) {
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return _config[name];
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}
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_config[name] = value;
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return;
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}
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//name中含有. 二级
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name = name.split('.');
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if (value === undefined) {
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value = _config[name[0]] || {};
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return value[name[1]];
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}
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if (!_config[name[0]]) {
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_config[name[0]] = {};
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}
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_config[name[0]][name[1]] = value;
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}else{
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_config = extend(false, _config, name);
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}
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};
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/**
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* 实例化Controller类，可以调用一个具体的Action
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* A('Home/Index'), A('Admin/Index/test')
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* @param {[type]} name [description]
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*/
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global.A = function(name, http, data){
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'use strict';
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//将/转为:，兼容之前的方式
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name = name.replace(/\//g, ':').split(':');
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http.group = name[0];
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http.controller = name[1];
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var App = thinkRequire('App');
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var instance = App.getBaseController(http);
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var action = name[2];
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if (!instance) {
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return action ? getPromise(new Error(name.join(':') + ' is not found'), true) : instance;
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}
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if (!action) {
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return instance;
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}
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http.action = action;
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return getPromise(instance.__initReturn).then(function(){
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if (data && !isArray(data)) {
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data = [data];
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}
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return App.execAction(instance, action, data);
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})
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};
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/**
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* 快速文件读取和写入
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* 默认写入到App/Runtime/Data目录下
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*/
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global.F = function(name, value, rootPath){
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'use strict';
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rootPath = rootPath || DATA_PATH;
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var filePath = rootPath + '/' + name + '.json';
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if (value !== undefined) {
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mkdir(path.dirname(filePath));
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fs.writeFileSync(filePath, JSON.stringify(value));
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chmod(filePath);
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return;
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}
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if (isFile(filePath)) {
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var content = getFileContent(filePath);
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if (content) {
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return JSON.parse(content);
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}
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}
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return false;
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};
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/**
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* 实例化模型
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*/
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global.D = function(name, config){
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'use strict';
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if (!isString(name)) {
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return thinkRequire('Model')(undefined, name);
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}
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var model = 'Model';
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if (isString(config) && config.slice(-5) === model) {
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model = config;
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config = arguments[2];
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}
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//支持目录
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name = name.split('/').map(function(item){
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return item[0].toUpperCase() + item.slice(1);
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})
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var modelPath = name.join('/') + 'Model';
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var path = getThinkRequirePath(modelPath);
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if (path) {
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return thinkRequire(modelPath)(name.join(''), config);
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}else{
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return thinkRequire(model)(name.join(''), config);
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}
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};
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/**
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* 实例化模型基类
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* @param {[type]} name [description]
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* @param {[type]} config [description]
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*/
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global.M = function(name, config){
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'use strict';
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if (!isString(name)) {
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return thinkRequire('Model')(undefined, name);
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}
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var model = 'Model';
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if (isString(config) && config.slice(-5) === model) {
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model = config;
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config = arguments[2];
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}
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name = name.split('/').map(function(item){
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return item[0].toUpperCase() + item.slice(1);
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}).join('');
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return thinkRequire(model)(name, config)
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}
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/**
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* 缓存的设置和读取
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* 获取返回的是一个promise
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*/
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global.S = function(name, value, options){
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'use strict';
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if (isNumber(options)) {
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options = {timeout: options};
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}else if (options === true) {
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options = {type: true}
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}
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options = options || {};
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var type = options.type === undefined ? C('cache_type') : options.type;
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var cls = (type === true ? '' : ucfirst(type)) + 'Cache';
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var instance = thinkRequire(cls)(options);
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if (value === undefined) {//获取缓存
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return instance.get(name);
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}else if (value === null) {
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return instance.rm(name); //删除缓存
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}else if (isFunction(value)) { //获取缓存，如果不存在，则自动从回调里获取
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return instance.get(name).then(function(data){
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return isEmpty(data) ? value() : getPromise(data, true);
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}).then(function(data){
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return S(name, data, options).then(function(){
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return data;
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});
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}).catch(function(data){
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return data;
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})
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}else{
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return instance.set(name, value, options.timeout);
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}
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};
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/**
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* 语言
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* @param {[type]} name [description]
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*/
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global.L = function(name){
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'use strict';
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return name;
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}; |