TJSPatchDemo

iOS热更新

iOS热更新实现方式

http://www.jianshu.com/p/00111d447e7e

加载main.js

- (void)initJSPatch {
    
    
    // 直接执行js
//    [JPEngine startEngine];
//        [JPEngine evaluateScript:@"\
//         var alertView = require('UIAlertView').alloc().init();\
//         alertView.setTitle('Alert');\
//         alertView.setMessage('AlertView from js'); \
//         alertView.addButtonWithTitle('OK');\
//         alertView.show(); \
//         "];
    
    // 从网络拉回js脚本执行
//    [JPEngine startEngine];
    //    [[[NSURLSession alloc] init] dataTaskWithRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:@"http://cnbang.net/test.js"]] completionHandler:^(NSData * _Nullable data, NSURLResponse * _Nullable response, NSError * _Nullable error) {
    //        NSString *script = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
    //        [JPEngine evaluateScript:script];
    //    }];
    
    // 执行本地js文件
    /*
     NSString *sourcePath = [[NSBundle mainBundle] pathForResource:@"Resource/demo" ofType:@"js"];
     NSString *script = [NSString stringWithContentsOfFile:sourcePath encoding:NSUTF8StringEncoding error:nil];
     [JPEngine evaluateScript:script];
     */
    //APP启动时下载热更新脚本
#ifdef JSPatch_Test
    [JPEngine startEngine];
    //如果是模块化开发(需要include导入js文件的时候)使用[JPEngine evaluateScriptWithPath:sourcePath];方法执行js文件
    NSString *sourcePath = [[[NSBundle mainBundle] bundlePath] stringByAppendingPathComponent:@"Resource/main.js"];
    [JPEngine evaluateScriptWithPath:sourcePath];
#else
    //执行下载下来的js文件
    [JPLoader run];
    
    //下载模块化js zip文件
    [JSPathRequest loadServiceJSZip];
    //下载单个js文件
    //[JSPathRequest loadServiceScriptString];
#endif

main.js

//如果是模块化开发(需要include导入js文件的时候)使用[JPEngine evaluateScriptWithPath:sourcePath];方法执行本js文件
include('CommonDefine.js')
include('ViewController/LoginViewController.js')
include('ViewController/TableViewController.js')

//会自动把OC类型转成js类型，如果调用autoConvertOCType(1)的话，很多类如NSString、NSDictionary等的调用会出问题
//autoConvertOCType(1)

require('UIButton, UIColor');
defineClass('FirstViewController', {
            viewDidLoad: function() {
                self.ORIGviewDidLoad();//在方法名前加 ORIG 即可调用未覆盖前的 OC 原方法viewDidLoad
                self.addSubView();
            },
            addSubView: function() {
                var button = UIButton.alloc().initWithFrame({x:(global.SCREEN_WIDTH - 200)/2, y:100, width:200, height:44});
                button.setBackgroundColor(UIColor.redColor());
                var UIControlStateNormal = 0;
                button.setTitle_forState("JSPatch", UIControlStateNormal);
                var UIControlEventTouchUpInside = 1 <<  6;
                button.addTarget_action_forControlEvents(self, "buttonClick:", UIControlEventTouchUpInside);
                self.view().addSubview(button);
            },
            buttonClick: function(button) {
                var tableVC = JPTableViewController.alloc().init();
                self.navigationController().pushViewController_animated(tableVC, YES);
            
            }
            }, {})