1.打开eclipse→Windows→Preferences→Java→Editor→Content Assist
改动Auto
Activation triggers for java的值为：.abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVW
2.JavaScript→Editor→Content Assist
改动Auto
Activation triggers for javaScript的值为：.abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVW
3.继续打开web→html Files→Editor→Content Assist
改动Prompt
when these characters are inserted:的值为：<=.abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVW
点击保存
原文：http://www.cnblogs.com/gavanwanggw/p/6846785.html