34 lines
1.0 KiB
Python
34 lines
1.0 KiB
Python
from nicegui import ui
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from ex4nicegui import ref_computed, effect, to_ref
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from ex4nicegui.reactive import rxui
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r_input = to_ref("")
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# ref_computed 创建只读响应式变量
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# 函数中使用任意其他响应式变量，会自动关联
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@ref_computed
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def cp_echarts_opts():
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return {
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"title": {"text": r_input.value}, #字典中使用任意响应式变量，通过 .value 获取值
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"xAxis": {
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"type": "category",
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"data": ["Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"],
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},
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"yAxis": {"type": "value"},
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"series": [
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{
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"data": [120, 200, 150, 80, 70, 110, 130],
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"type": "bar",
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"showBackground": True,
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"backgroundStyle": {"color": "rgba(180, 180, 180, 0.2)"},
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}
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],
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}
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input = rxui.input("输入内容，图表标题会同步", value=r_input)
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# 通过响应式组件对象的 element 属性，获取原生 nicegui 组件对象
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input.element.classes("w-full")
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rxui.echarts(cp_echarts_opts)
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ui.run() |