ui库和web端产品库合并版本(还需修复细节)

2022-11-29 18:27:14 +08:00
parent 5e4bd93238
commit 8bf6c57668
151 changed files with 28267 additions and 49 deletions
--- a/ui/packages/basic/AiDrawer.vue
+++ b/ui/packages/basic/AiDrawer.vue
@@ -0,0 +1,139 @@
+<template>
+  <section class="AiDrawer" :style="{width:`${width}px`,height:`${height}px`}">
+    <slot name="tools"/>
+    <div class="resetSignature" @click.stop="handleClean">
+      <ai-icon icon="iconResetting"/>
+      <span>重写</span>
+    </div>
+    <div v-if="drawPlaceholder" class="placeholder">{{ placeholder }}</div>
+    <canvas id="drawer" :width="width" :height="height" @mousedown.stop="handleDrawStart($event)"
+            @mouseup.stop="handleDrawEnd" @mouseleave="handleDrawEnd"
+            @mousemove.stop="handleDrawing($event)"
+            @touchstart.stop="handleDrawStart" @touchend.stop="handleDrawEnd" @touchmove="handleDrawing"/>
+  </section>
+</template>
+
+<script>
+export default {
+  name: "AiDrawer",
+  props: {
+    seal: String,
+    placeholder: {type: String, default: "请在此处清晰书写你的签名"},
+    width: {type: Number, default: 640},
+    height: {type: Number, default: 480}
+  },
+  data() {
+    return {
+      drawing: false,//判断是否处于绘画中
+      drawer: {},
+      drawPlaceholder: true
+    }
+  },
+  watch: {
+    drawing() {
+      this.drawPlaceholder = false
+    }
+  },
+  mounted() {
+    this.initDrawer()
+  },
+  methods: {
+    initDrawer() {
+      this.$nextTick(() => {
+        let canvas = document.querySelector("#drawer")
+        if (canvas) {
+          this.drawer = canvas?.getContext("2d")
+          this.drawer.lineWidth = 3
+          this.drawer.shadowColor = '#333'
+          this.drawer.strokeStyle = '#333'
+          this.drawer.shadowBlur = 2
+        }
+      })
+    },
+    handleDrawStart(e) {
+      this.drawing = true
+      const canvasX = e.offsetX
+      const canvasY = e.offsetY
+      this.drawer?.beginPath()
+      this.drawer?.moveTo(canvasX, canvasY)
+    },
+    handleDrawEnd() {
+      this.drawing = false
+      this.$emit("update:seal", this.drawer.canvas.toDataURL("image/png", 1))
+    },
+    handleDrawing(e) {
+      if (this.drawing) {
+        const t = e.target?.getBoundingClientRect()
+        let canvasX
+        let canvasY
+        // 根据触发事件类型来进行定位
+        if (e.type == "touchmove") {
+          canvasX = e.changedTouches[0].clientX - t.x
+          canvasY = e.changedTouches[0].clientY - t.y
+        } else {
+          canvasX = e.offsetX
+          canvasY = e.offsetY
+        }
+        // 连接到移动的位置并上色
+        this.drawer?.lineTo(canvasX, canvasY)
+        this.drawer?.stroke()
+      }
+    },
+    handleClean() {
+      this.drawer.clearRect(0, 0, this.drawer.canvas.width, this.drawer.canvas.height)
+      this.drawPlaceholder = true
+    }
+  }
+}
+</script>
+
+<style lang="scss" scoped>
+.AiDrawer {
+  margin: 0 40px;
+  background: #F7F7F7;
+  border: 1px solid #CCCCCC;
+  position: relative;
+
+  #drawer {
+    display: block;
+    cursor: crosshair;
+  }
+
+  .resetSignature {
+    position: absolute;
+    width: 76px;
+    height: 32px;
+    background: rgba(#000, .5);
+    border-radius: 16px;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    gap: 8px;
+    color: rgba(#fff, .6);
+    cursor: pointer;
+    right: 16px;
+    top: 16px;
+
+    .AiIcon {
+      width: auto;
+      height: auto;
+    }
+
+    &:hover {
+      color: #fff;
+    }
+  }
+
+  .placeholder {
+    pointer-events: none;
+    position: absolute;
+    left: 50%;
+    top: 50%;
+    transform: translate(-50%, -50%);
+    max-width: 407px;
+    text-align: center;
+    font-size: 64px;
+    color: #DDDDDD;
+  }
+}
+</style>