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useCustomFieldValue

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\u7528\u4E8E\u81EA\u5B9A\u4E49 Form \u7EC4\u4EF6\u4E2D\u7684\u8868\u5355\u9879\u3002

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\u5982\u679C\u9700\u8981\u81EA\u5B9A\u4E49\u8868\u5355\u9879\uFF0C\u53EF\u4EE5\u5728 Field \u7EC4\u4EF6\u7684 input \u63D2\u69FD\u4E2D\u63D2\u5165\u4F60\u7684\u81EA\u5B9A\u4E49\u7EC4\u4EF6\uFF0C\u5E76\u5728\u81EA\u5B9A\u4E49\u7EC4\u4EF6\u5185\u90E8\u8C03\u7528 useCustomFieldValue \u65B9\u6CD5\u3002

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\u81EA\u5B9A\u4E49\u7EC4\u4EF6

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\u9996\u5148\uFF0C\u5728\u4F60\u7684\u81EA\u5B9A\u4E49\u7EC4\u4EF6\u4E2D\uFF0C\u8C03\u7528 useCustomFieldValue \u65B9\u6CD5\uFF0C\u5E76\u4F20\u5165\u4E00\u4E2A\u56DE\u8C03\u51FD\u6570\uFF0C\u8FD9\u4E2A\u51FD\u6570\u8FD4\u56DE\u503C\u4E3A\u8868\u5355\u9879\u7684\u503C\u3002

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// MyComponent.vue\nimport { ref } from 'vue';\nimport { useCustomFieldValue } from '@vant/use';\n\nexport default {\n  setup() {\n    const myValue = ref(0);\n\n    // \u6B64\u5904\u4F20\u5165\u7684\u503C\u4F1A\u66FF\u4EE3 Field \u7EC4\u4EF6\u5185\u90E8\u7684 value\n    useCustomFieldValue(() => myValue.value);\n\n    return { myValue };\n  },\n};\n
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\u8868\u5355

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\u63A5\u7740\uFF0C\u5728 Form \u7EC4\u4EF6\u4E2D\u5D4C\u5165\u4F60\u7684\u81EA\u5B9A\u4E49\u7EC4\u4EF6\uFF0C\u5F53\u63D0\u4EA4\u8868\u5355\u65F6\uFF0C\u5373\u53EF\u83B7\u53D6\u5230\u81EA\u5B9A\u4E49\u8868\u5355\u9879\u7684\u503C\u3002

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<van-form>\n  <!-- \u8FD9\u662F\u4E00\u4E2A\u81EA\u5B9A\u4E49\u8868\u5355\u9879 -->\n  <!-- \u5F53\u8868\u5355\u63D0\u4EA4\u65F6\uFF0C\u4F1A\u5305\u62EC useCustomFieldValue \u4E2D\u4F20\u5165\u7684\u503C -->\n  <van-field name="my-field" label="\u81EA\u5B9A\u4E49\u8868\u5355\u9879">\n    <template #input>\n      <my-component />\n    </template>\n  </van-field>\n</van-form>\n
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API

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function useCustomFieldValue(customValue: () => unknown): void;\n
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customValue\u83B7\u53D6\u8868\u5355\u9879\u503C\u7684\u51FD\u6570() => unknown-
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