zx_bms_uni/miniprogram_npm/@vant/weapp/image/index.vue

<template>
    <view :style="viewStyle" :class="'custom-class ' + utils.bem('image', { round })" @tap="onClick">
        <image
            v-if="!error"
            :src="src"
            :mode="mode"
            :lazy-load="lazyLoad"
            class="image-class van-image__img"
            :show-menu-by-longpress="showMenuByLongpress"
            @load="onLoad"
            @error="onError"
        />

        <view v-if="loading && showLoading" class="loading-class van-image__loading">
            <slot v-if="useLoadingSlot" name="loading" />
            <van-icon v-else name="photo-o" size="22" />
        </view>
        <view v-if="error && showError" class="error-class van-image__error">
            <slot v-if="useErrorSlot" name="error" />
            <van-icon v-else name="warning-o" size="22" />
        </view>
    </view>
</template>
<script module="utils" lang="wxs" src="@/miniprogram_npm/@vant/weapp/wxs/utils.wxs"></script>
<script>
'use strict';
Object.defineProperty(exports, '__esModule', {
    value: true
});
var utils_1 = require('../common/utils');
var component_1 = require('../common/component');
var button_1 = require('../mixins/button');
var open_type_1 = require('../mixins/open-type');
var FIT_MODE_MAP = {
    none: 'center',
    fill: 'scaleToFill',
    cover: 'aspectFill',
    contain: 'aspectFit',
    widthFix: 'widthFix',
    heightFix: 'heightFix'
};
component_1.VantComponent({
    mixins: [button_1.button, open_type_1.openType],
    classes: ['custom-class', 'loading-class', 'error-class', 'image-class'],
    props: {
        src: {
            type: String,
            observer: function () {
                this.setData({
                    error: false,
                    loading: true
                });
            }
        },
        round: Boolean,
        width: {
            type: null,
            observer: 'setStyle'
        },
        height: {
            type: null,
            observer: 'setStyle'
        },
        radius: null,
        lazyLoad: Boolean,
        useErrorSlot: Boolean,
        useLoadingSlot: Boolean,
        showMenuByLongpress: Boolean,
        fit: {
            type: String,
            value: 'fill',
            observer: 'setMode'
        },
        showError: {
            type: Boolean,
            value: true
        },
        showLoading: {
            type: Boolean,
            value: true
        }
    },
    data: {
        error: false,
        loading: true,
        viewStyle: ''
    },
    mounted: function () {
        this.setMode();
        this.setStyle();
    },
    methods: {
        setMode: function () {
            this.setData({
                mode: FIT_MODE_MAP[this.fit]
            });
        },
        setStyle: function () {
            var _a = this;
            var width = _a.width;
            var height = _a.height;
            var radius = _a.radius;
            var style = '';
            if (utils_1.isDef(width)) {
                style += 'width: ' + utils_1.addUnit(width) + ';';
            }
            if (utils_1.isDef(height)) {
                style += 'height: ' + utils_1.addUnit(height) + ';';
            }
            if (utils_1.isDef(radius)) {
                style += 'overflow: hidden;';
                style += 'border-radius: ' + utils_1.addUnit(radius) + ';';
            }
            this.setData({
                viewStyle: style
            });
        },
        onLoad: function (event) {
            this.setData({
                loading: false
            });
            this.$emit('load', event.detail);
        },
        onError: function (event) {
            this.setData({
                loading: false,
                error: true
            });
            this.$emit('error', event.detail);
        },
        onClick: function (event) {
            this.$emit('click', event.detail);
        }
    }
});
</script>
<style>
@import './index.css';
</style>