窗口----》首选项-----》General

                                 ------>Apperance

                                                 ----->Colors and Fonts

                                                                         ----------->Java

                                                                                          ---->Java Editor Text Font(overrides default:Text Font)

                                                                         ----------->Basic

                                                                                          ---->Text Font

其 中，Basic ---》Text Font可以控制xml和jsp，不会对java的设置造成影响。