[英]How to get params from url Node Express
filename.jpg?w=1280&h=720
該應用程序必須返回一個具有寬度 ( w
) 和高度 ( h
) 的圖像 ( filename.jpg
)
這已經有效(我使用 sharp),但我不知道如何從 URL 獲取圖像縮放信息
這是現在的代碼
路由器文件:
export default {
getImage: [
async (req, res, next) => {
try {
const { image, size } = req.params
const path = await generateFile(image, size)
res.sendFile(path)
} catch (err) {
next(err)
}
}
]
}
Controller 檔案:
import sharp from 'sharp'
async function generateFile (image, size) {
const x = options.split('-')[0]
const y = options.split('-')[1]
sharp('./img/' + image)
.resize(x, y)
.toFile(./resized/ + img)
}
Function 檔案:
import sharp from 'sharp' async function generateFile (image, size) { const x = options.split('-')[0] const y = options.split('-')[1] sharp('./img/' + image).resize(x, y).toFile(./resized/ + img) }
使用req.query
這是解決方案:
getImage: [
async (req, res, next) => {
try {
const { image } = req.params
const path = await generateFile(image, req.query)
res.sendFile(path)
} catch (err) {
next(err)
}
}
]
async function generateFile (image, query) {
const { x, y } = query
sharp('./img/' + image)
.resize(x, y)
.toFile(./resized/ + img)
}
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