扫码监听，

src/plugin/KeyScaner.js

@@ -0,0 +1,116 @@
+"use strict";
+/**
+ * 浏览器按键处理
+ * howay
+ * 20200421
+ * 1.0
+ */
+ const KeyScaner = /** @class */ (function () {
+    function KeyScaner(_dom) {
+        this.keybufs = [];
+        this.altBuf = [];
+        this.isShift = false;
+        this.lastTime = 0;
+        /**
+         * 在收集到文本输入时触发
+         * @param text 收集到的连续文本
+         */
+        this.onInput = function (text) { };
+        this.dom = _dom;
+        _dom.addEventListener('keydown', this.onKeyDown.bind(this));
+        _dom.addEventListener('keyup', this.onKeyUp.bind(this));
+        this.interval = setInterval(this.onTick.bind(this), 100);
+    }
+    KeyScaner.prototype.appendChar = function (c) {
+        this.keybufs.push(c);
+    };
+    KeyScaner.prototype.onKeyDown = function (ev) {
+        this.lastTime = new Date().getTime();
+        if (ev.key == "Alt") {
+            if (ev.shiftKey || ev.ctrlKey || ev.metaKey) {
+                return;
+            }
+        }
+        else if (ev.key == "Shift") {
+            if (ev.altKey || ev.ctrlKey || ev.metaKey) {
+                return;
+            }
+            this.isShift = true;
+        }
+        else if (ev.key == "Enter") {
+            if (ev.shiftKey || ev.altKey || ev.ctrlKey || ev.metaKey) {
+                return;
+            }
+            this.appendChar("\r");
+            this.completeInput(); //立即完成输入
+        }
+        else {
+            if (ev.key.length == 1) {
+                var charCode = ev.key.charCodeAt(0);
+                if (charCode >= 48 && charCode <= 57) {
+                    if (ev.altKey) {
+                        this.altBuf.push(ev.key);
+                    }
+                    else {
+                        this.appendChar(ev.key);
+                    }
+                }
+                else if ((charCode >= 65 && charCode <= 90) || (charCode >= 97 && charCode <= 122)) {
+                    //忽略大小写锁定键，直接通过SHIFT键判断大小写
+                    if (ev.shiftKey) {
+                        this.appendChar(ev.key.toUpperCase());
+                    }
+                    else {
+                        this.appendChar(ev.key.toLowerCase());
+                    }
+                }
+                else {
+                    this.appendChar(ev.key);
+                }
+            }
+            //忽略其他控制键
+        }
+    };
+    KeyScaner.prototype.onKeyUp = function (ev) {
+        this.lastTime = new Date().getTime();
+        if (ev.key == "Alt") {
+            if (this.altBuf && this.altBuf.length > 0) {
+                var str = this.altBuf.join("");
+                var num = parseInt(str);
+                var c = String.fromCharCode(num);
+                this.appendChar(c);
+                this.altBuf = [];
+            }
+        }
+        else if (ev.key == "Shift") {
+            this.isShift = false;
+        }
+    };
+    KeyScaner.prototype.completeInput = function () {
+        var text = this.keybufs.join("");
+        this.keybufs = [];
+        if (this.onInput) {
+            this.onInput.bind(this)(text);
+        }
+    };
+    KeyScaner.prototype.onTick = function () {
+        if (this.keybufs && this.keybufs.length > 0 && (!this.altBuf || this.altBuf.length == 0) && new Date().getTime() - this.lastTime > 500) {
+            //有缓存的字符，且没有缓存的alt字符 且 与上次按键时间超过500毫秒。 收集输入
+            this.completeInput();
+        }
+    };
+    /**
+     * 释放资源
+     */
+    KeyScaner.prototype.dispose = function () {
+        this.dom.removeEventListener('keydown', this.onKeyDown);
+        this.dom.removeEventListener('keyup', this.onKeyUp);
+        clearInterval(this.interval);
+    };
+    return KeyScaner;
+}());
+
+export default {
+    KeyScaner
+}
+

src/views/warehouse/IONewOrder.vue

@@ -688,7 +688,6 @@ export default {
         this.filterQuery = Object.assign(this.filterQuery, query);
         this.filterQuery.limit = parseInt(this.filterQuery.limit);
 
-
     },
 };
 </script>

src/views/warehouse/addHosOrder.vue

@@ -99,6 +99,7 @@
 
 
             </el-row>
+
             <el-row :gutter="20">
 
 
@@ -192,6 +193,7 @@
                             @keypress.enter.native="enterKey($event)"
                             v-model="formData.code"
                             ref='inputRef'
+                            id="inputer"
                         ></el-input>
                     </el-form-item>
                 </el-col>
@@ -332,6 +334,8 @@ import {filterAll, filterAllByLoc, filterAllByUser} from "@/api/basic/invWarehou
 import {getLocalBusType, getLocalJoinBusType, getLocalJoinByUser} from "../../api/basic/busLocalType";
 import DialogSelectUnit from "./DialogSelectUnit";
 import selectRlDialog from "./DialogSelectRl";
+import A from "../../plugin/KeyScaner"
+
 
 export default {
     name: "idQuery",
@@ -748,6 +752,22 @@ export default {
                     this.loading = false;
                 });
         },
+        listenerFunction(e) {
+            document.addEventListener('DOMContentLoaded', function () {
+
+                console.log("-----jianting---");
+                document.removeEventListener('DOMContentLoaded', arguments.callee, false);
+                var inputer = document.getElementById("inputer");
+                window.sc = new KeyScaner(inputer);//传入要监听的DOM节点
+                sc.onInput = function (text) {
+                    //onInput事件在检测到回车键按下或在连续输入后超过500ms没有继续输入时触发
+                    inputer.innerText += (text + "\n");
+                    console.log("--------" + text);
+                    // this.formData.code =
+                };
+                inputer.focus();//别忘了给要监听的节点放置焦点，如果是div一类默认不具备焦点的节点需要给它加上“tabindex”属性。不建议传入document、Body等全局节点，可能会影响其它输入控件的流畅性。
+            }, false);
+        },
 
         findStorageMethod(query) {
             if (this.formData.locStorageCode == null)
@@ -872,12 +892,24 @@ export default {
         },
 
     },
+
+
     filters: {},
     mounted() {
         document.body.ondrop = function (event) {
             event.preventDefault();
             event.stopPropagation();
         };
+        var inputer = document.getElementById("inputer");
+        window.sc = new A.KeyScaner(inputer);//传入要监听的DOM节点
+        sc.onInput = function (text) {
+            //onInput事件在检测到回车键按下或在连续输入后超过500ms没有继续输入时触发
+            inputer.innerText += (text + "\n");
+            console.log("--------" + text);
+            // this.formData.code =
+        };
+        inputer.focus();//别忘了给要监听的节点放置焦点，如果是div一类默认不具备焦点的节点需要给它加上“tabindex”属性。不建议传入document、Body等全局节点，可能会影响其它输入控件的流畅性。
+
     },
     created() {
         this.formData.code = '';
@@ -918,9 +950,13 @@ export default {
             }
         }
 
+        this.listenerFunction();
+
     },
 };
 </script>
+
+
 <style>
 
 .ao-text {