60 lines
1.4 KiB
JavaScript
60 lines
1.4 KiB
JavaScript
var app = getApp();
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Component({
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externalClasses: ["i-class"],
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properties: {
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defaultImage: String,
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imgType: {
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type: Number,
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value: 2
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},
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loadImage: {
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type: String,
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observer: function (val) {
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if (val) {
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var pixelRatio = Math.ceil(app.globalData.systemInfo.pixelRatio),
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img = val + "?imageView2/" + this.data.imgType + "/w/" + this.getPx(this.data.width) * pixelRatio + "/h/" + this.getPx(this.data.height) * pixelRatio + "/ignore-error/1";
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this.setData({
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img: img
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});
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}
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}
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},
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width: String,
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height: String,
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canPreview: {
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type: Boolean,
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value: false
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},
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isLazy: {
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type: Boolean,
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value: false
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}
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},
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methods: {
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imageLoad: function () {
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this.setData({
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isLoad: true
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});
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},
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bindError: function (error) {
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console.log(error);
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},
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getPx: function (e) {
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var sysInfo = wx.getSystemInfoSync();
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console.log()
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return Math.round(sysInfo.windowWidth / 375 * e);
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},
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preview: function () {
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this.data.canPreview && wx.previewImage({
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urls: [this.data.loadImage],
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fail: function (error) {
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wx.showToast({
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title: "预览图片失败，请重试",
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icon: "none"
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}), console.log(error);
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}
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});
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}
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}
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}); |