50 lines
2.1 KiB
Plaintext
50 lines
2.1 KiB
Plaintext
/*
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* Copyright (C) 2024 Huawei Device Co., Ltd.
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* Licensed under the Apache License, Version 2.0 (the 'License');
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an 'AS IS' BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import { ImageKnifeComponent,ImageKnife,ImageKnifeOption } from '@ohos/libraryimageknife'
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@Entry
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@ComponentV2
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struct TestPrefetchToFileCachePage {
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@Local imageKnifeOption: ImageKnifeOption = new ImageKnifeOption({
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loadSrc:$r('app.media.startIcon'),
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placeholderSrc:$r('app.media.loading'),
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errorholderSrc:$r('app.media.failed')
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})
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async preload(url:string) {
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let fileCachePath = await ImageKnife.getInstance().preLoadCache(url)
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console.log("preload-fileCachePath=="+ fileCachePath)
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}
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async preload1(url:string) {
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let fileCachePath = await ImageKnife.getInstance().preLoadCache(new ImageKnifeOption({ loadSrc: url }))
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console.log("preload-fileCachePath1=="+ fileCachePath)
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}
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build() {
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Column() {
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Button("url预加载图片到文件缓存").margin({top:10}).onClick(async ()=>{
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await this.preload("https://gd-hbimg.huaban.com/e0a25a7cab0d7c2431978726971d61720732728a315ae-57EskW_fw658")
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})
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Button("option预加载图片到文件缓存").margin({top:10}).onClick(async ()=>{
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await this.preload1("https://gd-hbimg.huaban.com/e0a25a7cab0d7c2431978726971d61720732728a315ae-57EskW_fw658")
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})
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Button("加载图片(预加载后可断网加载)").margin({top:10}).onClick(()=>{
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this.imageKnifeOption.loadSrc = "https://gd-hbimg.huaban.com/e0a25a7cab0d7c2431978726971d61720732728a315ae-57EskW_fw658"
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})
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ImageKnifeComponent({
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imageKnifeOption: this.imageKnifeOption
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}).width(300).height(300).margin({top:30})
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}
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.height('100%') .width('100%')
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}
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} |