Xiaobao backup component v1.0

1. Use ajax technology to realize backup of database to sql statement without refreshing (version 1.0 only supports this function, future versions will support more)

2. Dynamically display progress and completion ratio

3. Functions such as pausing and continuing backup can be realized

4. Interface introduction and humanization

5. Built using the latest version of jquery framework, which is more efficient

6. After repeated testing, it was found that among all popular browsers, the execution efficiency of IE6 and previous versions is very low. It is recommended to use Sogou or Firefox. Among the tested browsers, Firefox has the highest efficiency.