feat: 初始化

uni_modules/lime-shared/pathToBase64/vue.ts

@@ -0,0 +1,121 @@
+// @ts-nocheck
+
+// #ifdef APP-PLUS
+import { getLocalFilePath } from '../getLocalFilePath'
+// #endif
+function isImage(extension : string) {
+	const imageExtensions = ["jpg", "jpeg", "png", "gif", "bmp", "svg"];
+	return imageExtensions.includes(extension.toLowerCase());
+}
+// #ifdef H5
+function getSVGFromURL(url: string) {
+	return new Promise((resolve, reject) => {
+		const xhr = new XMLHttpRequest();
+		xhr.open('GET', url, true);
+		xhr.responseType = 'text';
+
+		xhr.onload = function () {
+			if (xhr.status === 200) {
+				const svg = xhr.responseText;
+				resolve(svg);
+			} else {
+				reject(new Error(xhr.statusText));
+			}
+		};
+
+		xhr.onerror = function () {
+			reject(new Error('Network error'));
+		};
+
+		xhr.send();
+	});
+}
+// #endif
+/**
+ * 路径转base64
+ * @param {Object} string
+ */
+export function pathToBase64(path : string) : Promise<string> {
+	if (/^data:/.test(path)) return path
+	let extension = path.substring(path.lastIndexOf('.') + 1);
+	const isImageFile = isImage(extension)
+	let prefix = ''
+	if (isImageFile) {
+		prefix = 'image/';
+		if(extension == 'svg') {
+			extension += '+xml'
+		}
+	} else if (extension === 'pdf') {
+		prefix = 'application/pdf';
+	} else if (extension === 'txt') {
+		prefix = 'text/plain';
+	} else {
+		// 添加更多文件类型的判断
+		// 如果不是图片、PDF、文本等类型，可以设定默认的前缀或采取其他处理
+		prefix = 'application/octet-stream';
+	}
+	return new Promise((resolve, reject) => {
+		// #ifdef H5
+		if (isImageFile) {
+			if(extension == 'svg') {
+				getSVGFromURL(path).then(svg => {
+					const base64 = btoa(svg);
+					resolve(`data:image/svg+xml;base64,${base64}`);
+				})
+			} else {
+				let image = new Image();
+				image.setAttribute("crossOrigin", 'Anonymous');
+				image.onload = function () {
+					let canvas = document.createElement('canvas');
+					canvas.width = this.naturalWidth;
+					canvas.height = this.naturalHeight;
+					canvas.getContext('2d').drawImage(image, 0, 0);
+					let result = canvas.toDataURL(`${prefix}${extension}`)
+					resolve(result);
+					canvas.height = canvas.width = 0
+				}
+				image.src = path + '?v=' + Math.random()
+				image.onerror = (error) => {
+					reject(error);
+				};
+			}
+			
+		} else {
+			reject('not image');
+		}
+
+		// #endif
+
+		// #ifdef MP
+		if (uni.canIUse('getFileSystemManager')) {
+			uni.getFileSystemManager().readFile({
+				filePath: path,
+				encoding: 'base64',
+				success: (res) => {
+					resolve(`data:${prefix}${extension};base64,${res.data}`)
+				},
+				fail: (error) => {
+					console.error({ error, path })
+					reject(error)
+				}
+			})
+		}
+		// #endif
+
+		// #ifdef APP-PLUS
+		plus.io.resolveLocalFileSystemURL(getLocalFilePath(path), (entry) => {
+			entry.file((file : any) => {
+				const fileReader = new plus.io.FileReader()
+				fileReader.onload = (data) => {
+					resolve(data.target.result)
+				}
+				fileReader.onerror = (error) => {
+					console.error({ error, path })
+					reject(error)
+				}
+				fileReader.readAsDataURL(file)
+			}, reject)
+		}, reject)
+		// #endif
+	})
+}