1 曲线控件关联字符串型日期变量
2 放一个输入框，也关联该日期变量
3 设置曲线x轴长度随着变量变化(下图为随"跨度"变量变化)
4 放一个滑块，绑定"跨度"变量
5 曲线控件绑定采样(略)
6 模拟运行
7 滑动滑块改变曲线的时间段跨度
8 查看2025年1月12日12点30分的数据：输入框中输入202501121230，如下为1个小时的跨度
1 曲线控件关联字符串型日期变量
2 放一个输入框，也关联该日期变量
3 设置曲线x轴长度随着变量变化(下图为随"跨度"变量变化)
4 放一个滑块，绑定"跨度"变量
5 曲线控件绑定采样(略)
6 模拟运行
7 滑动滑块改变曲线的时间段跨度
8 查看2025年1月12日12点30分的数据：输入框中输入202501121230，如下为1个小时的跨度
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