清空IE缓存

　使用RunDll32.exe 来运行Internet选项的对应功能：

　　Temporary Internet Files (Internet临时文件)
　　RunDll32.exe InetCpl.cpl,ClearMyTracksByProcess 8

　　Cookies
　　RunDll32.exe InetCpl.cpl,ClearMyTracksByProcess 2

　　History (历史记录)
　　RunDll32.exe InetCpl.cpl,ClearMyTracksByProcess 1

　　Form Data (表单数据)
　　RunDll32.exe InetCpl.cpl,ClearMyTracksByProcess 16

　　Passwords (密码)
　　RunDll32.exe InetCpl.cpl,ClearMyTracksByProcess 32

　　Delete All (全部删除)
　　RunDll32.exe InetCpl.cpl,ClearMyTracksByProcess 255

　　Delete All - "Also delete files and settings stored by add-ons"
　　RunDll32.exe InetCpl.cpl,ClearMyTracksByProcess 4351