feat(InputNumber): create Vue component for movie cost input

Implement a new Vue component named InputNumber, designed for entering movie cost values.
The component includes props for value, placeholder, disabled state, maximum value,
and an append text. It also features a custom input handler that formats the input
value, ensuring it adheres to a numerical format with a single decimal point, and
prevents input exceeding the specified maximum value.

05-Vue/vue-components/InputNumber/index.vue

@@ -0,0 +1,68 @@
+<script>
+export default {
+  name: 'InputNumber',
+  props: {
+    value: {
+      type: [String, Number],
+      default: null,
+    },
+    placeholder: {
+      type: String,
+      default: '',
+    },
+    disabled: {
+      type: Boolean,
+      default: false,
+    },
+    maximum: {
+      type: Number,
+      default: 999999999.99,
+    },
+    appendText: {
+      type: String,
+      default: '元',
+    },
+  },
+  emits: ['input'],
+  data() {
+    return {
+      localMovieCost: this.value,
+    }
+  },
+  watch: {
+    value(newVal) {
+      this.localMovieCost = newVal
+    },
+  },
+  methods: {
+    handleInput(event) {
+      let temp = event.toString()
+      temp = temp.replace(/。/g, '.')
+      temp = temp.replace(/[^\d.]/g, '')
+      temp = temp.replace(/^\./g, '')
+      temp = temp.replace(/\.{2,}/g, '')
+      temp = temp.replace('.', '$#$').replace(/\./g, '').replace('$#$', '.')
+      temp = temp.replace(/^(\-)*(\d+)\.(\d\d).*$/, '$1$2.$3')
+
+      // 限制最大值
+      if (Number.parseFloat(temp) > this.maximum) {
+        temp = this.maximum.toString()
+      }
+
+      this.$emit('input', temp)
+      this.localMovieCost = temp
+    },
+  },
+}
+</script>
+
+<template>
+  <el-input
+    :value="localMovieCost"
+    :placeholder="placeholder"
+    :disabled="disabled"
+    @input="handleInput"
+  >
+    <template slot="append">{{ appendText }}</template>
+  </el-input>
+</template>