提交app

This commit is contained in:
guanj
2026-03-17 14:00:55 +08:00
parent b71200cb97
commit 00e34c168f
82 changed files with 13202 additions and 4602 deletions

View File

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<template>
<view class="preview-container">
<!-- 右上角关闭按钮 -->
<view class="close-btn" @click="close">
<text class="close-icon"></text>
</view>
<!-- 下载按钮 -->
<view class="download-btn" @click="downloadImage">
<text class="download-icon"></text>
</view>
<!-- 图片预览区域使用movable-area和movable-view实现缩放移动 -->
<movable-area class="movable-area" :style="{ width: '100vw', height: '100vh' }">
<movable-view
class="movable-view"
direction="all"
:scale="true"
:scale-min="0.5"
:scale-max="3"
:scale-value="scaleValue"
@scale="onScale"
:x="x"
:y="y"
:style="{
width: rotatedWidth + 'px',
height: rotatedHeight + 'px'
}"
>
<view
class="image-wrapper"
:style="{
width: imgWidth + 'px',
height: imgHeight + 'px',
transform: 'rotate(90deg)',
transformOrigin: 'center center'
}"
>
<image
:src="imageUrl"
class="preview-img"
mode="aspectFill"
:style="{
width: imgWidth + 'px',
height: imgHeight + 'px'
}"
@load="onImageLoad"
></image>
</view>
</movable-view>
</movable-area>
<!-- 图片信息提示 -->
<view class="scale-tip" v-if="showScaleTip">
当前缩放: {{ Math.round(scaleValue * 100) }}%
</view>
</view>
</template>
<script>
export default {
onLoad(options) {
this.imageUrl = decodeURIComponent(options.url) // 接收传递的图片URL需要解码
},
data() {
return {
imageUrl: '',
// 缩放相关
scaleValue: 1,
x: 0,
y: 0,
// 图片原始尺寸
imgWidth: 0,
imgHeight: 0,
// 旋转后的尺寸(交换宽高)
rotatedWidth: 0,
rotatedHeight: 0,
// 提示显示控制
showScaleTip: false,
tipTimer: null,
// 屏幕尺寸
windowWidth: 0,
windowHeight: 0
}
},
mounted() {
// 获取屏幕尺寸
const systemInfo = uni.getSystemInfoSync();
this.windowWidth = systemInfo.windowWidth;
this.windowHeight = systemInfo.windowHeight;
},
methods: {
// 图片加载完成后获取尺寸
onImageLoad(e) {
const { width, height } = e.detail;
// 保存原始尺寸
this.imgWidth = width;
this.imgHeight = height;
// 旋转90度后宽度和高度互换
this.rotatedWidth = height; // 旋转后宽度 = 原高度
this.rotatedHeight = width; // 旋转后高度 = 原宽度
// 计算初始位置居中
this.resetPosition();
console.log('图片加载:', {width, height}, '旋转后:', {rotatedWidth: this.rotatedWidth, rotatedHeight: this.rotatedHeight});
},
// 重置位置到中心
resetPosition() {
// 计算居中的偏移量
this.x = (this.windowWidth - this.rotatedWidth) / 2;
this.y = (this.windowHeight - this.rotatedHeight) / 2;
console.log('重置位置:', {x: this.x, y: this.y, windowWidth: this.windowWidth, windowHeight: this.windowHeight});
},
// 缩放事件处理
onScale(e) {
this.scaleValue = e.detail.scale;
// 显示缩放提示
this.showScaleTip = true;
if (this.tipTimer) {
clearTimeout(this.tipTimer);
}
this.tipTimer = setTimeout(() => {
this.showScaleTip = false;
}, 1500);
},
// 关闭预览
close() {
uni.navigateBack();
},
// 下载图片
downloadImage() {
uni.showLoading({
title: '下载中...'
});
// 先获取图片信息(如果是网络图片需要先下载)
uni.downloadFile({
url: this.imageUrl,
success: (res) => {
if (res.statusCode === 200) {
// 保存图片到相册
uni.saveImageToPhotosAlbum({
filePath: res.tempFilePath,
success: () => {
uni.hideLoading();
uni.showToast({
title: '保存成功',
icon: 'success'
});
},
fail: (err) => {
uni.hideLoading();
console.error('保存失败', err);
// 处理用户拒绝权限的情况
if (err.errMsg.includes('auth deny')) {
uni.showModal({
title: '提示',
content: '需要您授权保存图片到相册',
success: (res) => {
if (res.confirm) {
uni.openSetting({
success: (settingRes) => {
console.log('打开设置页面', settingRes);
}
});
}
}
});
} else {
uni.showToast({
title: '保存失败',
icon: 'none'
});
}
}
});
} else {
uni.hideLoading();
uni.showToast({
title: '下载失败',
icon: 'none'
});
}
},
fail: (err) => {
uni.hideLoading();
console.error('下载失败', err);
uni.showToast({
title: '下载失败',
icon: 'none'
});
}
});
},
// 双击重置缩放和位置(可选功能)
onDoubleTap() {
this.scaleValue = 1;
this.resetPosition();
}
},
// 页面返回前清理定时器
onUnload() {
if (this.tipTimer) {
clearTimeout(this.tipTimer);
}
}
}
</script>
<style lang="scss" scoped>
.preview-container {
position: relative;
width: 100vw;
height: 100vh;
background: #000;
overflow: hidden;
}
.movable-area {
width: 100vw;
height: 100vh;
background: #000;
}
.movable-view {
display: flex;
align-items: center;
justify-content: center;
}
.image-wrapper {
display: flex;
align-items: center;
justify-content: center;
transition: transform 0.1s ease;
}
.preview-img {
display: block;
}
// 关闭按钮
.close-btn {
position: fixed;
top: 30rpx;
right: 30rpx;
width: 60rpx;
height: 60rpx;
background: rgba(0, 0, 0, 0.5);
border-radius: 50%;
display: flex;
align-items: center;
justify-content: center;
z-index: 1000;
backdrop-filter: blur(10px);
border: 1px solid rgba(255, 255, 255, 0.2);
.close-icon {
color: #fff;
font-size: 40rpx;
line-height: 1;
}
}
// 下载按钮
.download-btn {
position: fixed;
top: 30rpx;
right: 110rpx;
width: 60rpx;
height: 60rpx;
background: rgba(0, 0, 0, 0.5);
border-radius: 50%;
display: flex;
align-items: center;
justify-content: center;
z-index: 1000;
backdrop-filter: blur(10px);
border: 1px solid rgba(255, 255, 255, 0.2);
.download-icon {
color: #fff;
font-size: 40rpx;
line-height: 1;
}
}
// 缩放提示
.scale-tip {
position: fixed;
bottom: 100rpx;
left: 50%;
transform: translateX(-50%);
background: rgba(0, 0, 0, 0.6);
color: #fff;
padding: 10rpx 30rpx;
border-radius: 40rpx;
font-size: 28rpx;
z-index: 1000;
backdrop-filter: blur(10px);
border: 1px solid rgba(255, 255, 255, 0.2);
animation: fadeInOut 1.5s ease;
}
@keyframes fadeInOut {
0% { opacity: 0; }
15% { opacity: 1; }
85% { opacity: 1; }
100% { opacity: 0; }
}
</style>