obsidian/笔记文件/2.笔记/ios试验_第三章.md

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举例，修改文本颜色

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新工程，创建文本框之后，循例拖曳过去

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在.m文件中，添加textField为第一响应

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模拟器运行，自动响应正常

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输入类型说明

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输入框，也可以拖拽

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按钮设置为Action，再命名

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右键，选择发送事件

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拖曳过去

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点击选择

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在.m可执行文件，取消作为第一响应

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return后，ios焦点就不在输入框了

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