1.在Eclipse中菜單help選項中選擇install new software選項
2.在work with 欄中輸入 Juno - http://download.eclipse.org/releases/juno，點add
3.拉到后面選擇Web, XML, Java EE and OSGi Enterprise Development選項，然后選擇
- Eclipse Java EE Developer Tools
- Eclipse Java Web Developer Tools
- Eclipse Web Developer Tools
- Eclipse XML Editors and Tools
4.安裝等待,一直下一步導finish
5、如果還沒有的話，新建一下項目