https://blog.youkuaiyun.com/SuperJavaNetzh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/SuperJavaNet/article/details/6400014https://blog.youkuaiyun.com/SuperJavaNet/article/details/6400014SuperJavaNetFri, 06 May 2011 15:39:00 +0800多次删除数组.html页面) 无标题文档 var my functionaaa(dx,mycars) {     if(isNaN(dx)||dx>mycars.length){returnfalse;}]]>https://blog.youkuaiyun.com/SuperJavaNet/article/details/6399958https://blog.youkuaiyun.com/SuperJavaNet/article/details/6399958SuperJavaNetFri, 06 May 2011 15:25:00 +0800https://blog.youkuaiyun.com/SuperJavaNet/article/details/6399945https://blog.youkuaiyun.com/SuperJavaNet/article/details/6399945SuperJavaNetFri, 06 May 2011 15:22:00 +0800Properties->Java Compiler->Configure Workspace Setting，在弹出的页面中可以进行设置。]]>https://blog.youkuaiyun.com/SuperJavaNet/article/details/5856055https://blog.youkuaiyun.com/SuperJavaNet/article/details/5856055SuperJavaNetWed, 01 Sep 2010 17:00:00 +0800
2.8  增加数据校验
在上面应用中，即使浏览者输入任何用户名、密码，系统也会处理用户请求。在我们整个HelloWorld应用中，这种空用户名、空密码的情况不会引起太大的问题。但如果数据需要保存到数据库，或者需要根据用户输入的用户名、密码查询数据，这些空输入可能引起异常。
为了避免用户的输入引起底层异常，通常我们会在进行业务逻辑操作之前，先执行基本的数据校验。
2.8.1  继承ActionSupport
ActionSupport类是一个工具]]>https://blog.youkuaiyun.com/SuperJavaNet/article/details/5040822https://blog.youkuaiyun.com/SuperJavaNet/article/details/5040822SuperJavaNetSat, 19 Dec 2009 23:09:00 +0800 servlet>  servlet-name>dwr-invokerservlet-name>  servlet]]>https://blog.youkuaiyun.com/SuperJavaNet/article/details/5040451https://blog.youkuaiyun.com/SuperJavaNet/article/details/5040451SuperJavaNetSat, 19 Dec 2009 21:43:00 +0800https://blog.youkuaiyun.com/SuperJavaNet/article/details/5040422https://blog.youkuaiyun.com/SuperJavaNet/article/details/5040422SuperJavaNetSat, 19 Dec 2009 21:36:00 +0800https://blog.youkuaiyun.com/SuperJavaNet/article/details/4771099https://blog.youkuaiyun.com/SuperJavaNet/article/details/4771099SuperJavaNetThu, 05 Nov 2009 12:18:00 +0800https://blog.youkuaiyun.com/SuperJavaNet/article/details/4771075https://blog.youkuaiyun.com/SuperJavaNet/article/details/4771075SuperJavaNetThu, 05 Nov 2009 12:10:00 +0800