首先为eclipse添加testng插件
　　1.步骤如下：help->Install New SoftWare...

　　2. 添加testng链接，该链接可以在这里找到
For the Eclipse plug-in， we suggest using the update site:
Select Help / Software updates / Find and Install.
Search for new features to install.
New remote site.
For Eclipse 3.4 and above， enter http://beust.com/eclipse.
For Eclipse 3.3 and below， enter http://beust.com/eclipse1.
Make sure the check box next to URL is checked and click Next.
Eclipse will then guide you through the process.