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JSPatch-How It Works

2015-12-02 18:59:13   0  举报

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SPARKS2015

JSPatch是一个用于iOS应用的JavaScript补丁框架。它允许开发者在不发布新版本的情况下，实时修复或添加新功能到已发布的iOS应用中。JSPatch通过拦截和替换应用程序运行时的JavaScript代码来实现这一点。开发者可以在本地或服务器上创建补丁，然后通过JSPatch框架将这些补丁应用到目标应用上。这使得开发者能够快速、灵活地更新和维护他们的iOS应用，而无需经过繁琐的应用审核和发布过程。总之，JSPatch为iOS开发者提供了一个强大的工具，使他们能够更高效地管理和更新他们的应用。

作者其他创作

大纲/内容

defineClass( \"FFPlazaViewController\

[JPEngine startEngine]：1.注册OC代码到JSContext中供JS调用；2.执行JSPatch.jscontext[@\"_OC_defineClass\"];context[@\"_OC_callI\"];context[@\"_OC_callC\"];context[@\"_OC_formatJSToOC\"];context[@\"_OC_formatOCToJS\"];......[_context evaluateScript:jsCore];

In OC

context[@\"_OC_callI\

return {\"__obj\": view}

Our Patch.js

{__clsName: \"UIView\"}.__c(\"alloc\")().__c(\"init\")()

NSInvocation *invocation = [NSInvocation invocationWithMethodSignature:methodSignature];[invocation setTarget: UIView];[invocation setSelector:@Selector(alloc)];[invocation setArgument:......];[invocation invocate];id view;[invocation getReturnValue: &view];return {@\"__obj\": view};

JSPatch.js

NSInvocation *invocation = [NSInvocation invocationWithMethodSignature:methodSignature];[invocation setTarget: view];[invocation setSelector:@Selector(init)];[invocation setArgument:......];[invocation invocate];id view;[invocation getReturnValue: &view];return {@\"__obj\": view};

In JS

instance == nil

{\"__obj\": view}.__c(\"init\")()

JPEngine.m

context[@\"_OC_callC\

正则表达式处理后

{return _OC_callC(\"UIView\