1.指定一個目錄作為workspace，Preference配置如下內容

Preference->General->workspace，Text File Encoding改成UTF-8
Preference->Web->JSP Files,Encoding改成UTF-8
Window -> Preferences -> General -> Content Types -> Text -> Java Properties File -> UTF-8 -> Update -> OK 
Window -> Preferences -> Java -> Editor -> Content Assist -> Auto Activation 
加上”.abcdefghijklmnopqrstuvwxyz” 

2.新建Maven專案，勾選第一行(Create a simple project),填寫Group Id和Artifact Id後Packaging選擇war，

專案建立之後缺少web.xml，右鍵專案，Java EE tools，點選Generate Deployment Descriptor Stub.

3,右鍵專案屬性，Java Build Path，修改JRE System Library為Workspace  default JRE,這裡是1.8

Java Compiler選擇1.8，Project Facets中的Java也需要選擇1.8.(注意preference 中的Installed JRE->Execution Environments

JavaSE-1.8, 右邊勾選上)

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