httpclient + htmlparser实例下载，很不错的资源。-Download httpclient+ htmlparser instance, it is a good resource.

通用数据水平层级选择控件，类似淘宝的弹出层代码，要求数据格式：纯文本，数据项之间以","分隔，数据项数值和描述文本之间以":"分隔，可以在参数中自定义分隔符。-Level of general-purpose data-level selection control, similar to the Taobao pop layer code, requirements of data formats: plain text, betwe