Python高级进阶教程012期 Pyqt5单行文本框qlineedit文本改变事件#编程创造城市#刘金玉
Synopsis
知识要点： 1.掌握qlineEdit的文本改变事件。 2.掌握文本标签的区域自适应。 3.掌握事件的信号槽关系以及传参。
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