1.Window->Preferences  //Java 格式化  2.Java->Code Style->Formatter->New->Edit->Line Wrapping  3.Maximum Line width = 180  4.Set line width for preview window = 180  //JavaScript 格式化  5.JavaScript->Code Style->Formatter->New->Edit->Line Wrapping  6.Maximum Line width = 180  7.Set line width for preview window = 180  8.Tab标签页->Comments  9.Maximum line width for comments = 180  //JSP|HTML页面 格式化  10.Web->HTML Files->Editor  Line width = 180  Inline Elements 选中所有-> Remove