TabWidget修改tab颜色，自定义样式

         可以通过tabWidget->setStyleSheet方法，设置样式，包括tab的样式。

          如

 1  QTabWidget* m_MainTab;
 2   m_MainTab->setStyleSheet("QTabWidget::pane{border-width:1px;border-color:rgb(96, 96, 96);\
 3                                     border-style: outset;background-color: rgb(96, 96, 96);} \
 4 QTabWidget::tab-bar{border-width:0px;}\
 5 QTabBar::tab{border-bottom-color: #FF0000;\
 6              border-top-left-radius: 0px;\
 7              border-top-right-radius: 0px;\
 8              min-width:100px; min-height:25px;\
 9              font:14px Times New Roman;\
10                  padding: 0px;\
11                  }\
12 QTabBar::tab:!selected {\
13                         margin-top: 0px; margin-left: 30;\
14                         border-image: url(:/images/tab/sel3.png);\
15                     }\
16 QTabBar::tab:selected {\
17                        color: blue;\
18                            border-image: url(:/images/tab/sel3.png);\
19                        }\
20 QTabBar::tab:hover:!selected {\
21                               border-image: url(:/images/tab/sel3.png);\
22                           }\
23 QTabBar::tab:selected {\
24                        margin-left: 10;\
25                    }");

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