修改代码

src/iscs_new/utils/storage.js

@@ -0,0 +1,63 @@
+
+export default class Storage {
+	constructor() {
+		this.map = new Map();
+		this.lst = new Set();
+		this.clipboard = [];
+	}
+
+	has(code) {
+		return code ? this.map.has(code) : false;
+	}
+
+	set(code, target) {
+		if (!this.has(code)) {
+			this.lst.add(code);
+			this.map.set(code, target);
+		}
+	}
+
+	get(code) {
+		return this.map.get(code);
+	}
+
+	delete(code) {
+		if (this.has(code)) {
+			this.map.delete(code);
+			this.lst.delete(code);
+		}
+	}
+
+	values() {
+		return Array.from(this.lst).map(code => { return this.get(code); });
+	}
+
+	clear() {
+		this.lst.clear();
+		this.map.clear();
+	}
+
+	isSelectExist(code) {
+		return this.has(code);
+	}
+
+	setClipboard(lst) {
+		this.clipboard = Array.from(lst);
+	}
+
+	clearClipboard() {
+		this.clipboard = [];
+	}
+
+	getClipboard() {
+		return this.clipboard;
+	}
+
+	getClipboardSize() {
+		return this.clipboard.length;
+	}
+
+	forEach() {
+		return this.map.forEach;
+	}
+}