地址识别（纯前端）

最近有一个需求，是要在前端做一个地址识别功能。。。确认不交给后台调接口去用ai识别吗？

看需求图：（识别出来的地址要给勾选上，这是个四级联动）

 

 

 

说一下解决方案：先将输入的地址格式化，去掉空格，统一把中文标点转换成英文，去掉换行符等。。。然后对字符串进行切割，进行强匹配，输出匹配上的数组。

地址识别组件：

 

　　

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import React, { FC, useState } from "react"; import { FormShape, createForm } from "@components/Form"; import { Textarea } from "@components/Input"; import Tooltip from "@components/Tooltip"; import { errorTip, successTip } from "@components/Tips";   type DistinguishProps = {     form: FormShape;     addressCheck?: (...args) => void;     addressData: any; };   const Distinguish: FC<DistinguishProps> = ({ form, addressCheck, addressData }) => {     const [successAdd, setSuccessAdd] = useState([]);     const [isSuccess, setIsSuccess] = useState("");     const re1 = /[;]/;     const re2 = /[:]/;       // 处理识别数据     const dealText = value => {         if (!value) return;         // 格式化，转换成英文字符，方便切割         let str = value             .replace(/：/g, ":")             .replace(/；/g, ";")             .replace(/[\r\n]/g, "")             .replace(/\t/g, " ");         let newData1 = [];         let newData2 = [];         let newData3 = [];         try {             if (re1.test(str)) {                 newData1 = str.split(";");                 newData1.forEach(item1 => {                     item1 ? newData2.push(item1) : " ";                 });                 newData2.forEach(item2 => {                     if (re2.test(item2)) {                         newData3.push({                             [item2.split(":")[0]]: item2.split(":")[1].split(" "),                         });                     } else {                         newData3.push({ [item2]: [] });                     }                 });             } else {                 if (re2.test(str)) {                     newData1 = str.split(":");                     newData1.forEach(item1 => {                         item1 ? newData2.push(item1) : " ";                     });                     newData3.push({                         [newData2[0]]: newData2[1].split(" "),                     });                 } else {                     newData3.push({ [str]: [] });                 }             }             return newData3;         } catch (e) {             errorTip("地址识别失败！请按照提示的格式输入地址信息。");             setSuccessAdd([]);         }     };       // 数组对象去重，合并     const mergeData = value => {         let initArr = [];         let initData = {};         let data = xt.cloneDeep(value); //深拷贝         if (data.length > 0) {             data.forEach(item => {                 if (typeof item == "string") {                     initArr.push(item);                 } else {                     let map = item;                     for (let k in map) {                         if (k != null && k != "null") {                             if (initData.hasOwnProperty(k)) {                                 initData[k] += "," + map[k];                             } else {                                 initData[k] = map[k];                             }                         }                     }                 }             });         }         Object.keys(initData).forEach(key => {             if (initData[key]) {                 let a = Array.from(new Set(initData[key].split(","))).join(",");                 initArr.push({ [key]: a });             } else {                 initArr.push(key);             }         });         return initArr;     };       // 地址匹配     const addressPick = (val: any) => {         let errAddress = []; // 识别失败地址         let sucessAddress = []; // 识别成功地址         let inputAddress = val; // 输入的地址         let propsData = xt.cloneDeep(addressData); // 识别选中的地址         try {             inputAddress.forEach(item => {                 // @ts-ignore                 if (Object.values(item)?.flat().length) {                     // 选中区下面的街道                     Object.values(item)                         // @ts-ignore                         .flat()                         .forEach(address => {                             propsData.forEach(data => {                                 // @ts-ignore                                 if (data.nameCN == xt.nesGame(Object.keys(item)?.flat()[0])) {                                     data?.childrenStreet.forEach(a => {                                         if (a.nameCN == xt.nesGame(address)) {  // xt.nesGame去掉空格                                             sucessAddress.push({ [data.nameCN]: address });                                             a.choose = true;                                         }                                     });                                 }                             });                         });                 } else {                     // 直接选中区以及下面所有的街道                     propsData.forEach(data => {                         // @ts-ignore                         if (data.nameCN == xt.nesGame(Object.keys(item)?.flat()[0])) {                             data.choose = true;                             data?.childrenStreet.forEach(a => {                                 a.choose = true;                             });                             // @ts-ignore                             sucessAddress.push(xt.nesGame(Object.keys(item)?.flat()[0]));                         }                     });                 }             });             if (sucessAddress.length > 0) {                 setIsSuccess("识别成功地址");                 successTip("识别成功");                 addressCheck(Array.from(new Set(sucessAddress)));                 setSuccessAdd(mergeData(sucessAddress)); // 识别成功地址             } else {                 setIsSuccess("地址识别失败！请检查后再试");                 setSuccessAdd([]);             }         } catch (e) {             errorTip("地址匹配失败！请检查后再试");             setSuccessAdd([]);         }     };       // 提交给父组件     // 宝安区：福永街道 石岩街道  航城街道  福海街道 西乡街道 西乡街道；罗湖区     const submit = () => {         setIsSuccess("");         form.validateFields((error, value: any) => {             if (error) return;             addressPick(dealText(value.note));         });     };       const cancel = () => {         form.resetFields();         setSuccessAdd([]);         setIsSuccess("");     };       return (         <div             className="pb-20"             style={{ border: "1px solid #eaedf3", borderRadius: "4px", backgroundColor: "#fff" }}         >             <Textarea                 form={form}                 fieldName="note"                 textareaStyle={{ border: "none" }}                 placeholder={                     "请粘贴文本至此处，自动识别区、县、街道名称并选中，若有多个街道请以区名或县名加冒号开头，多个街道以空格隔开，以分号结束，若需选中整个区或县所有街道则直接输入区名或县名以分号结束。\n例：坪山区：坪山街道 坑梓街道；南山区；"                 }                 style={{ width: "100%", border: "none" }}                 maxLength={300}                 showError="down"                 rules={false}                 normalize={(val, prev) => {                     if (val.length > 300) return prev.trim();                     if (!val.trim().length || val.length === 300) return val.trim();                     return val;                 }}             />             <div className="mt-20  pr-20 flex-align-center" style={{ paddingLeft: "15px" }}>                 <button className="button-primary mr-20" onClick={submit}>                     识别文本                 </button>                 <button className="button-default" onClick={cancel}>                     清空                 </button>                 <div className="ml-30">                     <span                         className="mr-5 font12 c-606266"                         style={{ color: isSuccess == "识别成功地址" ? "" : "#FF6666" }}                     >                         {isSuccess}                     </span>                     {!!successAdd.length && (                         <Tooltip                             overlay={                                 <>                                     {successAdd.map((val, index) => {                                         if (typeof val === "string") {                                             return <p>{val};</p>;                                         } else {                                             return (                                                 <p>                                                     {Object.keys(val)[0]}:                                                     {Array.from(new Set(Object.values(val))).join(                                                         ","                                                     )}                                                 </p>                                             );                                         }                                     })}                                 </>                             }                         >                             <i className={"wsf-icon-question"} />                         </Tooltip>                     )}                 </div>             </div>         </div>     ); };   export default createForm()(Distinguish);