打开“window”→“Preferences”,输入“Content Assist”,然后就可以在下面修改啦
java:
“Auto Activation triggers for java”,增加ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz
xml:
“ Prompt when these characters are inserted”,同样增加ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz