更改版本号

examples/components/Codemirror.vue

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+<template>
+  <codemirror v-model="content" :options="cmOptions" />
+</template>
+<script>
+import { codemirror } from 'vue-codemirror'
+import 'codemirror/lib/codemirror.css'
+import 'codemirror/theme/idea.css'
+import 'codemirror/theme/duotone-light.css'
+import 'codemirror/mode/javascript/javascript.js'
+import 'codemirror/mode/sql/sql.js'
+export default {
+  components: { codemirror },
+  props: {
+    readOnly: {
+      type: Boolean,
+      default: true
+    },
+    mode: {
+      type: String,
+      default: 'text/javascript'
+    },
+    value: {
+      type: String,
+      required: true
+    },
+    theme: {
+      type: String,
+      default: 'idea'
+    },
+    lineNumbers: {
+      type: Boolean,
+      default: true
+    }
+  },
+  watch: {
+    value: {
+      handler: function (newVal) {
+        this.content = newVal
+      }
+    },
+    content: function (newVal) {
+      this.$emit('input', newVal)
+    }
+  },
+  data () {
+    return {
+      content: this.value,
+      cmOptions: {
+        tabSize: 2,
+        mode: this.mode,
+        theme: this.theme,
+        lineNumbers: this.lineNumbers,
+        readOnly: this.readOnly
+      }
+    }
+  }
+}
+</script>