page: 📄 绑定事件
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{"version":1720656560503}
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{"version":1720748515458}
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<template>
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<div id="container"></div>
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</template>
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<script setup lang="ts">
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import { useWindowSize } from '@vueuse/core';
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import { onMounted } from 'vue';
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import Konva from 'konva/lib';
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const { width, height } = useWindowSize();
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const initial = () => {
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const stage = new Konva.Stage({ container: 'container', width: width.value, height: height.value });
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const layer = new Konva.Layer({ draggable: true });
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// 创建文本
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const text = new Konva.Text({
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x: 10,
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y: 10,
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fontFamily: 'Calibri',
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fontSize: 20,
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text: '',
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fill: 'black',
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});
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layer.add(text);
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// 创建元素
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const circle = new Konva.Circle({
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x: stage.width() / 2,
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y: stage.height() / 2,
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radius: 70,
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fill: 'red',
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stroke: 'black',
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strokeWidth: 4,
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});
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layer.add(circle);
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// 添加监听事件
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circle.on('mouseover mousedown mouseup', function () {
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text.text('鼠标事件:mouseover mousedown mouseup');
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});
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circle.on('mouseout', function () {
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text.text('鼠标离开');
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});
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stage.add(layer);
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};
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onMounted(() => {
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initial();
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});
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</script>
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<template>
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<div class="container">
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<button type="button" class="btn btn-primary" @click="onRemoveEvent">移出事件</button>
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</div>
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<div id="container"></div>
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</template>
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<script setup lang="ts">
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import { useWindowSize } from '@vueuse/core';
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import { onMounted, ref } from 'vue';
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import Konva from 'konva/lib';
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import { Text } from 'konva/lib/shapes/Text';
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import { Circle } from 'konva/lib/shapes/Circle';
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const { width, height } = useWindowSize();
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const circle = ref<Circle>();
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const text = ref<Text>();
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const initial = () => {
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const stage = new Konva.Stage({ container: 'container', width: width.value, height: height.value });
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const layer = new Konva.Layer({ draggable: true });
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// 添加文字
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text.value = new Konva.Text({
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x: 10,
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y: 10,
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fontFamily: 'Calibri',
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fontSize: 20,
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text: '',
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fill: 'black',
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});
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layer.add(text.value);
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// 添加圆形
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circle.value = new Konva.Circle({
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x: stage.width() / 2,
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y: stage.height() / 2 + 10,
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radius: 70,
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fill: 'green',
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stroke: 'black',
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strokeWidth: 4,
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});
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layer.add(circle.value);
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// 添加事件
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circle.value?.on('click', function () {
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text.value?.text('点击了');
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});
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stage.add(layer);
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};
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// 移出点击事件
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const onRemoveEvent = () => {
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circle.value?.off('click');
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text.value?.text('移出事件');
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};
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onMounted(() => {
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initial();
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});
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</script>
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