From 5b26f73b191ca95f12df24ec3e3d7930b4590be7 Mon Sep 17 00:00:00 2001
From: WXL <wl_5969728@163.com>
Date: 星期三, 12 八月 2026 09:11:26 +0800
Subject: [PATCH] srm维护
---
src/components/CustomImageViewer/index.vue | 263 +++++++++++++++++++++++++++++++---------------------
1 files changed, 155 insertions(+), 108 deletions(-)
diff --git a/src/components/CustomImageViewer/index.vue b/src/components/CustomImageViewer/index.vue
index 0457395..f604700 100644
--- a/src/components/CustomImageViewer/index.vue
+++ b/src/components/CustomImageViewer/index.vue
@@ -1,14 +1,34 @@
<template>
- <div v-if="visible" class="custom-image-viewer">
+ <div v-if="visible" class="custom-image-viewer" @wheel.prevent="handleWheel">
<!-- 閬僵灞� -->
<div class="el-image-viewer__mask" @click.self="handleMaskClick"></div>
- <!-- 鍥剧墖棰勮涓讳綋 -->
+ <!-- 鍏抽棴 -->
<div class="el-image-viewer__btn el-image-viewer__close" @click="close">
<i class="el-icon-close"></i>
</div>
- <!-- 涓婁竴寮犳寜閽� -->
+ <!-- 宸ュ叿鏍� -->
+ <div class="viewer-toolbar">
+ <div class="toolbar-btn" title="鏀惧ぇ" @click="zoomIn">
+ <i class="el-icon-zoom-in"></i>
+ </div>
+ <div class="toolbar-btn" title="缂╁皬" @click="zoomOut">
+ <i class="el-icon-zoom-out"></i>
+ </div>
+ <div class="toolbar-btn" title="椤烘椂閽堟棆杞�" @click="rotateRight">
+ <i class="el-icon-refresh-right"></i>
+ </div>
+ <div class="toolbar-btn" title="閫嗘椂閽堟棆杞�" @click="rotateLeft">
+ <i class="el-icon-refresh-left"></i>
+ </div>
+ <div class="toolbar-btn" title="杩樺師" @click="resetTransform">
+ <i class="el-icon-s-home"></i>
+ </div>
+ <span class="toolbar-info">{{ currentIndex + 1 }} / {{ urlList.length }}</span>
+ </div>
+
+ <!-- 涓婁竴寮� -->
<div
class="el-image-viewer__btn el-image-viewer__prev"
:class="{ 'is-disabled': isFirst }"
@@ -17,7 +37,7 @@
<i class="el-icon-arrow-left"></i>
</div>
- <!-- 涓嬩竴寮犳寜閽� -->
+ <!-- 涓嬩竴寮� -->
<div
class="el-image-viewer__btn el-image-viewer__next"
:class="{ 'is-disabled': isLast }"
@@ -27,17 +47,25 @@
</div>
<!-- 鍥剧墖灞曠ず -->
- <div class="el-image-viewer__canvas">
+ <div
+ class="el-image-viewer__canvas"
+ @mousedown="handleMouseDown"
+ @mousemove="handleMouseMove"
+ @mouseup="handleMouseUp"
+ @mouseleave="handleMouseUp"
+ >
<img
v-if="currentUrl"
:src="currentUrl"
:key="currentIndex"
@error="handleError"
class="el-image-viewer__img"
+ :style="imgStyle"
+ draggable="false"
/>
</div>
- <!-- 鑷畾涔夋彁绀轰俊鎭� -->
+ <!-- 鎻愮ず淇℃伅 -->
<div v-if="showTip" class="custom-viewer-tip">
{{ tipMessage }}
</div>
@@ -48,24 +76,22 @@
export default {
name: 'CustomImageViewer',
props: {
- urlList: {
- type: Array,
- default: () => []
- },
- initialIndex: {
- type: Number,
- default: 0
- },
- visible: {
- type: Boolean,
- default: false
- }
+ urlList: { type: Array, default: () => [] },
+ initialIndex: { type: Number, default: 0 },
+ visible: { type: Boolean, default: false }
},
data() {
return {
currentIndex: this.initialIndex,
showTip: false,
- tipMessage: ''
+ tipMessage: '',
+ scale: 1,
+ rotate: 0,
+ // 鎷栨嫿
+ dragging: false,
+ dragStart: { x: 0, y: 0 },
+ offsetX: 0,
+ offsetY: 0,
};
},
computed: {
@@ -77,138 +103,159 @@
},
isLast() {
return this.currentIndex === this.urlList.length - 1;
- }
+ },
+ imgStyle() {
+ return {
+ transform: `translate(${this.offsetX}px, ${this.offsetY}px) scale(${this.scale}) rotate(${this.rotate}deg)`,
+ transition: this.dragging ? 'none' : 'transform 0.3s',
+ cursor: this.scale > 1 ? (this.dragging ? 'grabbing' : 'grab') : 'default',
+ };
+ },
},
watch: {
initialIndex(newVal) {
this.currentIndex = newVal;
+ this.resetTransform();
},
visible(newVal) {
if (!newVal) {
this.showTip = false;
- this.tipMessage = '';
+ this.removeKeyListener();
+ } else {
+ this.$nextTick(() => { this.addKeyListener(); });
}
- }
+ },
},
methods: {
close() {
this.$emit('update:visible', false);
this.$emit('close');
},
- handleMaskClick() {
- this.close();
- },
+ handleMaskClick() { this.close(); },
+
+ // 鍒囨崲鍥剧墖
goPrev() {
- if (this.isFirst) {
- this.showTipMessage('杩欏凡缁忔槸绗竴寮犱簡');
- return;
- }
+ if (this.isFirst) { this.showTipMessage('宸叉槸绗竴寮�'); return; }
this.currentIndex--;
- this.hideTip();
+ this.resetTransform();
},
goNext() {
- if (this.isLast) {
- this.showTipMessage('杩欏凡缁忔槸鏈�鍚庝竴寮犱簡');
- return;
- }
+ if (this.isLast) { this.showTipMessage('宸叉槸鏈�鍚庝竴寮�'); return; }
this.currentIndex++;
- this.hideTip();
+ this.resetTransform();
},
- showTipMessage(message) {
- this.tipMessage = message;
+
+ // 缂╂斁
+ zoomIn() {
+ this.scale = Math.min(this.scale + 0.25, 5);
+ if (this.scale <= 1) { this.offsetX = 0; this.offsetY = 0; }
+ },
+ zoomOut() {
+ this.scale = Math.max(this.scale - 0.25, 0.25);
+ if (this.scale <= 1) { this.offsetX = 0; this.offsetY = 0; }
+ },
+ handleWheel(e) {
+ if (e.deltaY < 0) this.zoomIn();
+ else this.zoomOut();
+ },
+
+ // 鏃嬭浆
+ rotateRight() { this.rotate = (this.rotate + 90) % 360; },
+ rotateLeft() { this.rotate = (this.rotate - 90) % 360; },
+
+ // 杩樺師
+ resetTransform() {
+ this.scale = 1;
+ this.rotate = 0;
+ this.offsetX = 0;
+ this.offsetY = 0;
+ },
+
+ // 鎷栨嫿锛堜粎鍦ㄦ斁澶ф椂鍚敤锛�
+ handleMouseDown(e) {
+ if (this.scale <= 1) return;
+ this.dragging = true;
+ this.dragStart = { x: e.clientX - this.offsetX, y: e.clientY - this.offsetY };
+ },
+ handleMouseMove(e) {
+ if (!this.dragging) return;
+ this.offsetX = e.clientX - this.dragStart.x;
+ this.offsetY = e.clientY - this.dragStart.y;
+ },
+ handleMouseUp() {
+ this.dragging = false;
+ },
+
+ showTipMessage(msg) {
+ this.tipMessage = msg;
this.showTip = true;
- // 2绉掑悗鑷姩闅愯棌鎻愮ず
- setTimeout(() => {
- this.hideTip();
- }, 2000);
+ setTimeout(() => { this.hideTip(); }, 2000);
},
- hideTip() {
- this.showTip = false;
- this.tipMessage = '';
+ hideTip() { this.showTip = false; this.tipMessage = ''; },
+ handleError() { console.error('鍥剧墖鍔犺浇澶辫触:', this.currentUrl); },
+
+ // 閿洏
+ handleKeydown(e) {
+ switch(e.key) {
+ case 'ArrowLeft': e.preventDefault(); this.goPrev(); break;
+ case 'ArrowRight': e.preventDefault(); this.goNext(); break;
+ case 'Escape': e.preventDefault(); this.close(); break;
+ case '+': case '=': e.preventDefault(); this.zoomIn(); break;
+ case '-': e.preventDefault(); this.zoomOut(); break;
+ case '0': e.preventDefault(); this.resetTransform(); break;
+ }
},
- handleError() {
- console.error(`鍥剧墖鍔犺浇澶辫触: ${this.currentUrl}`);
- }
- }
+ addKeyListener() { document.addEventListener('keydown', this.handleKeydown); },
+ removeKeyListener() { document.removeEventListener('keydown', this.handleKeydown); },
+ },
+ mounted() { if (this.visible) this.addKeyListener(); },
+ beforeUnmount() { this.removeKeyListener(); },
};
</script>
<style scoped>
.custom-image-viewer {
- position: fixed;
- top: 0;
- right: 0;
- bottom: 0;
- left: 0;
- z-index: 2000; /* 纭繚 z-index 瓒冲楂� */
+ position: fixed; top: 0; right: 0; bottom: 0; left: 0; z-index: 2000;
}
-
.el-image-viewer__mask {
- position: absolute;
- width: 100%;
- height: 100%;
+ position: absolute; width: 100%; height: 100%;
background-color: rgba(0, 0, 0, 0.5);
}
-
.el-image-viewer__btn {
- position: absolute;
- z-index: 1;
- color: #fff;
- background-color: rgba(0, 0, 0, 0.3);
- border-radius: 50%;
- width: 40px;
- height: 40px;
- display: flex;
- align-items: center;
- justify-content: center;
- cursor: pointer;
- user-select: none;
+ position: absolute; z-index: 1; color: #fff;
+ background-color: rgba(0, 0, 0, 0.3); border-radius: 50%;
+ width: 40px; height: 40px; display: flex;
+ align-items: center; justify-content: center; cursor: pointer; user-select: none;
}
+.el-image-viewer__btn.is-disabled { cursor: not-allowed; opacity: 0.5; }
+.el-image-viewer__close { top: 20px; right: 20px; }
+.el-image-viewer__prev { left: 20px; top: 50%; transform: translateY(-50%); }
+.el-image-viewer__next { right: 20px; top: 50%; transform: translateY(-50%); }
-.el-image-viewer__btn.is-disabled {
- cursor: not-allowed;
- opacity: 0.5;
+.viewer-toolbar {
+ position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%);
+ z-index: 1; display: flex; align-items: center; gap: 8px;
+ padding: 8px 16px; background: rgba(0, 0, 0, 0.6); border-radius: 24px;
}
-
-.el-image-viewer__close {
- top: 20px;
- right: 20px;
+.toolbar-btn {
+ width: 36px; height: 36px; border-radius: 50%; display: flex;
+ align-items: center; justify-content: center; cursor: pointer;
+ color: #fff; font-size: 18px; transition: background 0.2s;
}
-
-.el-image-viewer__prev {
- left: 20px;
- top: 50%;
- transform: translateY(-50%);
-}
-
-.el-image-viewer__next {
- right: 20px;
- top: 50%;
- transform: translateY(-50%);
-}
+.toolbar-btn:hover { background: rgba(255, 255, 255, 0.2); }
+.toolbar-info { color: rgba(255, 255, 255, 0.7); font-size: 13px; margin-left: 8px; white-space: nowrap; }
.el-image-viewer__canvas {
- display: flex;
- justify-content: center;
- align-items: center;
- height: 100%;
+ display: flex; justify-content: center; align-items: center;
+ height: 100%; overflow: hidden;
}
-
.el-image-viewer__img {
- max-width: 90%;
- max-height: 90%;
- object-fit: contain;
+ max-width: 90%; max-height: 90%;
+ object-fit: contain; user-select: none; -webkit-user-drag: none;
}
-
.custom-viewer-tip {
- position: absolute;
- bottom: 50px;
- left: 50%;
- transform: translateX(-50%);
- background-color: rgba(0, 0, 0, 0.7);
- color: #fff;
- padding: 10px 20px;
- border-radius: 4px;
- z-index: 2001;
+ position: absolute; bottom: 100px; left: 50%; transform: translateX(-50%);
+ background-color: rgba(0, 0, 0, 0.7); color: #fff;
+ padding: 10px 20px; border-radius: 4px; z-index: 2001;
}
</style>
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