130 lines
3.1 KiB
Vue
130 lines
3.1 KiB
Vue
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<template>
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<view>
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<page-head :title="title"></page-head>
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<view class="uni-padding-wrap uni-common-mt">
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<block v-if="tempFilePath">
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<image :src="tempFilePath" class="image" mode="aspectFit"></image>
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</block>
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<block v-if="!tempFilePath && savedFilePath">
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<image :src="savedFilePath" class="image" mode="aspectFit"></image>
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</block>
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<block v-if="!tempFilePath && !savedFilePath">
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<view class="uni-hello-addfile" @click="chooseImage">+ 请选择文件</view>
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</block>
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<view class="uni-btn-v">
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<button class="btn-savefile" @click="saveFile">保存文件</button>
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<button @click="clear">删除文件</button>
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</view>
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<!-- #ifndef MP-ALIPAY || MP-TOUTIAO -->
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<view class="btn-area">
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<button @click="openDocument">打开pdf文件</button>
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</view>
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<!-- #endif -->
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</view>
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</view>
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</template>
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<script>
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export default {
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data() {
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return {
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title: 'saveFile',
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tempFilePath: '',
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savedFilePath: ''
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}
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},
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onLoad() {
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this.savedFilePath = uni.getStorageSync('savedFilePath');
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},
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methods: {
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chooseImage() {
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uni.chooseImage({
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count: 1,
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success: (res) => {
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this.tempFilePath = res.tempFilePaths[0];
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},
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fail: (err) => {
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// #ifdef MP
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uni.getSetting({
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success: (res) => {
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let authStatus = res.authSetting['scope.album'] && res.authSetting['scope.camera'];
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if (!authStatus) {
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uni.showModal({
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title: '授权失败',
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content: 'Hello uni-app需要从您的相机或相册获取图片，请在设置界面打开相关权限',
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success: (res) => {
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if (res.confirm) {
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uni.openSetting()
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}
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}
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})
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}
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}
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})
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// #endif
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}
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});
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},
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saveFile() {
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if (this.tempFilePath.length > 0) {
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uni.saveFile({
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tempFilePath: this.tempFilePath,
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success: (res) => {
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this.savedFilePath = res.savedFilePath;
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uni.setStorageSync('savedFilePath', res.savedFilePath);
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uni.showModal({
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title: '保存成功',
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content: '下次进入页面时，此文件仍可用',
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showCancel: false
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});
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},
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fail: (res) => {
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uni.showModal({
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title: '保存失败',
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content: '失败原因: ' + JSON.stringify(res),
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showCancel: false
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});
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}
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})
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} else {
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uni.showModal({
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content: '请选择文件',
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showCancel: false
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});
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}
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},
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clear() {
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uni.setStorageSync('savedFilePath', '');
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this.tempFilePath = '';
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this.savedFilePath = '';
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},
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// #ifndef MP-ALIPAY || MP-TOUTIAO
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openDocument() {
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uni.downloadFile({
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url: 'https://web-assets.dcloud.net.cn/unidoc/zh/helloworld.pdf',
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success: (res) => {
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uni.openDocument({
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filePath: res.tempFilePath,
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success: () => {
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console.log('打开文档成功');
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}
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});
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}
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});
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},
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// #endif
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}
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}
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</script>
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<style>
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.image {
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width: 100%;
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height: 360rpx;
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}
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.btn-savefile {
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background-color: #007aff;
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color: #ffffff;
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}
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</style>
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