msz1992的专栏

Actions, Controllers and ResultsWhat is an Action?Most of the requests received by a Play application are handled by an Action.An action is basically a Java method that processes the req

The built-in HTTP routerThe router is the component that translates each incoming HTTP request to an action call (a static, public method in a controller class).第一句话很重要！在学习新知识之前，第一句话往往是总的概括！在前

1. 下载play framework2（我下载的是2.0.4）http://www.playframework.org/-------->download2.解压（假设我的路径是E:\opensource\play-2.0.4）3.配置环境变量：path中添加上述解压路径“；E:\opensource\play-2.0.4”（与前面的用分号隔开即可）前提是你的系统

Manipulating the response(处理响应)这一节的内容比较简单，所以简单浏览一遍即可，大概留个印象，估计暂时不会用到，在处理文件上传下载时应该会用到一些，到时候再查哈，所以等遇到了再去查即可，另一种哲学观：很少用&能查到的内容，不要背！Changing the default Content-TypeThe result content type is au

Session and Flash scopes（Session和Flash作用域）先问自己，为什么要有session和flash？？答案在下面：How it is different in PlayIf you have to keep data across multiple HTTP requests, you can save them in the Session o

Body parsers（body解析器）What is a body parser?（还是那句话，认真读第一段内容介绍！）An HTTP request (at least for those using the POST and PUT operations) contains a body. This body can be formatted with any format

首先，使用过play1.*版本的开发者应该都知道要将play项目打包发布，可以直接使用play war命令，但是到了2.*以上的版本，已不再支持play war来打包项目。这里将原因解释如下：They haven't done this because the Servlet3.1spec has not been released yet. Play 2 supports some feat

最近在做项目使需要将做好的excel表格提供下载，废话不多说，贴代码： public static Result view() {   String filename="sims.xls";   File file  = new File(Play.application().path().getAbsolutePath() + "/public/images/" + filename

1.在java中，要是定义两个同名方法，但是一个是可变参数的，一个的参数是固定的，当你在调用时，他会自动选择最匹配的一个；public void function(int num,String str){ //.... }public void function(int num,String...strs){ //....}main{ function(