ajax-axios发送 get请求 或者 发送post请求带有请求体参数

javascript 复制代码
/* axios v0.21.1 | (c) 2020 by Matt Zabriskie */
!function(e,t){"object"==typeof exports&&"object"==typeof module?module.exports=t():"function"==typeof define&&define.amd?define([],t):"object"==typeof exports?exports.axios=t():e.axios=t()}(this,function(){return function(e){function t(r){if(n[r])return n[r].exports;var o=n[r]={exports:{},id:r,loaded:!1};return e[r].call(o.exports,o,o.exports,t),o.loaded=!0,o.exports}var n={};return t.m=e,t.c=n,t.p="",t(0)}([function(e,t,n){e.exports=n(1)},function(e,t,n){"use strict";function r(e){var t=new i(e),n=s(i.prototype.request,t);return o.extend(n,i.prototype,t),o.extend(n,t),n}var o=n(2),s=n(3),i=n(4),a=n(22),u=n(10),c=r(u);c.Axios=i,c.create=function(e){return r(a(c.defaults,e))},c.Cancel=n(23),c.CancelToken=n(24),c.isCancel=n(9),c.all=function(e){return Promise.all(e)},c.spread=n(25),c.isAxiosError=n(26),e.exports=c,e.exports.default=c},function(e,t,n){"use strict";function r(e){return"[object Array]"===R.call(e)}function o(e){return"undefined"==typeof e}function s(e){return null!==e&&!o(e)&&null!==e.constructor&&!o(e.constructor)&&"function"==typeof e.constructor.isBuffer&&e.constructor.isBuffer(e)}function i(e){return"[object ArrayBuffer]"===R.call(e)}function a(e){return"undefined"!=typeof FormData&&e instanceof FormData}function u(e){var t;return t="undefined"!=typeof ArrayBuffer&&ArrayBuffer.isView?ArrayBuffer.isView(e):e&&e.buffer&&e.buffer instanceof ArrayBuffer}function c(e){return"string"==typeof e}function f(e){return"number"==typeof e}function p(e){return null!==e&&"object"==typeof e}function d(e){if("[object Object]"!==R.call(e))return!1;var t=Object.getPrototypeOf(e);return null===t||t===Object.prototype}function l(e){return"[object Date]"===R.call(e)}function h(e){return"[object File]"===R.call(e)}function m(e){return"[object Blob]"===R.call(e)}function y(e){return"[object Function]"===R.call(e)}function g(e){return p(e)&&y(e.pipe)}function v(e){return"undefined"!=typeof URLSearchParams&&e instanceof URLSearchParams}function x(e){return e.replace(/^\s*/,"").replace(/\s*$/,"")}function w(){return("undefined"==typeof navigator||"ReactNative"!==navigator.product&&"NativeScript"!==navigator.product&&"NS"!==navigator.product)&&("undefined"!=typeof window&&"undefined"!=typeof document)}function b(e,t){if(null!==e&&"undefined"!=typeof e)if("object"!=typeof e&&(e=[e]),r(e))for(var n=0,o=e.length;n<o;n++)t.call(null,e[n],n,e);else for(var s in e)Object.prototype.hasOwnProperty.call(e,s)&&t.call(null,e[s],s,e)}function E(){function e(e,n){d(t[n])&&d(e)?t[n]=E(t[n],e):d(e)?t[n]=E({},e):r(e)?t[n]=e.slice():t[n]=e}for(var t={},n=0,o=arguments.length;n<o;n++)b(arguments[n],e);return t}function j(e,t,n){return b(t,function(t,r){n&&"function"==typeof t?e[r]=S(t,n):e[r]=t}),e}function C(e){return 65279===e.charCodeAt(0)&&(e=e.slice(1)),e}var 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0],n=Promise.resolve(e);for(this.interceptors.request.forEach(function(e){t.unshift(e.fulfilled,e.rejected)}),this.interceptors.response.forEach(function(e){t.push(e.fulfilled,e.rejected)});t.length;)n=n.then(t.shift(),t.shift());return n},r.prototype.getUri=function(e){return e=u(this.defaults,e),s(e.url,e.params,e.paramsSerializer).replace(/^\?/,"")},o.forEach(["delete","get","head","options"],function(e){r.prototype[e]=function(t,n){return this.request(u(n||{},{method:e,url:t,data:(n||{}).data}))}}),o.forEach(["post","put","patch"],function(e){r.prototype[e]=function(t,n,r){return this.request(u(r||{},{method:e,url:t,data:n}))}}),e.exports=r},function(e,t,n){"use strict";function r(e){return encodeURIComponent(e).replace(/%3A/gi,":").replace(/%24/g,"$").replace(/%2C/gi,",").replace(/%20/g,"+").replace(/%5B/gi,"[").replace(/%5D/gi,"]")}var o=n(2);e.exports=function(e,t,n){if(!t)return e;var s;if(n)s=n(t);else if(o.isURLSearchParams(t))s=t.toString();else{var i=[];o.forEach(t,function(e,t){null!==e&&"undefined"!=typeof e&&(o.isArray(e)?t+="[]":e=[e],o.forEach(e,function(e){o.isDate(e)?e=e.toISOString():o.isObject(e)&&(e=JSON.stringify(e)),i.push(r(t)+"="+r(e))}))}),s=i.join("&")}if(s){var a=e.indexOf("#");a!==-1&&(e=e.slice(0,a)),e+=(e.indexOf("?")===-1?"?":"&")+s}return e}},function(e,t,n){"use strict";function r(){this.handlers=[]}var o=n(2);r.prototype.use=function(e,t){return this.handlers.push({fulfilled:e,rejected:t}),this.handlers.length-1},r.prototype.eject=function(e){this.handlers[e]&&(this.handlers[e]=null)},r.prototype.forEach=function(e){o.forEach(this.handlers,function(t){null!==t&&e(t)})},e.exports=r},function(e,t,n){"use strict";function r(e){e.cancelToken&&e.cancelToken.throwIfRequested()}var 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e.onDownloadProgress&&l.addEventListener("progress",e.onDownloadProgress),"function"==typeof e.onUploadProgress&&l.upload&&l.upload.addEventListener("progress",e.onUploadProgress),e.cancelToken&&e.cancelToken.promise.then(function(e){l&&(l.abort(),n(e),l=null)}),p||(p=null),l.send(p)})}},function(e,t,n){"use strict";var r=n(14);e.exports=function(e,t,n){var o=n.config.validateStatus;n.status&&o&&!o(n.status)?t(r("Request failed with status code "+n.status,n.config,null,n.request,n)):e(n)}},function(e,t,n){"use strict";var r=n(15);e.exports=function(e,t,n,o,s){var i=new Error(e);return r(i,t,n,o,s)}},function(e,t){"use strict";e.exports=function(e,t,n,r,o){return e.config=t,n&&(e.code=n),e.request=r,e.response=o,e.isAxiosError=!0,e.toJSON=function(){return{message:this.message,name:this.name,description:this.description,number:this.number,fileName:this.fileName,lineNumber:this.lineNumber,columnNumber:this.columnNumber,stack:this.stack,config:this.config,code:this.code}},e}},function(e,t,n){"use strict";var r=n(2);e.exports=r.isStandardBrowserEnv()?function(){return{write:function(e,t,n,o,s,i){var a=[];a.push(e+"="+encodeURIComponent(t)),r.isNumber(n)&&a.push("expires="+new Date(n).toGMTString()),r.isString(o)&&a.push("path="+o),r.isString(s)&&a.push("domain="+s),i===!0&&a.push("secure"),document.cookie=a.join("; ")},read:function(e){var t=document.cookie.match(new RegExp("(^|;\\s*)("+e+")=([^;]*)"));return t?decodeURIComponent(t[3]):null},remove:function(e){this.write(e,"",Date.now()-864e5)}}}():function(){return{write:function(){},read:function(){return null},remove:function(){}}}()},function(e,t,n){"use strict";var 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n&&(o.setAttribute("href",t),t=o.href),o.setAttribute("href",t),{href:o.href,protocol:o.protocol?o.protocol.replace(/:$/,""):"",host:o.host,search:o.search?o.search.replace(/^\?/,""):"",hash:o.hash?o.hash.replace(/^#/,""):"",hostname:o.hostname,port:o.port,pathname:"/"===o.pathname.charAt(0)?o.pathname:"/"+o.pathname}}var t,n=/(msie|trident)/i.test(navigator.userAgent),o=document.createElement("a");return t=e(window.location.href),function(n){var o=r.isString(n)?e(n):n;return o.protocol===t.protocol&&o.host===t.host}}():function(){return function(){return!0}}()},function(e,t,n){"use strict";var r=n(2);e.exports=function(e,t){function n(e,t){return r.isPlainObject(e)&&r.isPlainObject(t)?r.merge(e,t):r.isPlainObject(t)?r.merge({},t):r.isArray(t)?t.slice():t}function o(o){r.isUndefined(t[o])?r.isUndefined(e[o])||(s[o]=n(void 0,e[o])):s[o]=n(e[o],t[o])}t=t||{};var 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//# sourceMappingURL=axios.min.map

1、发送get请求

java 复制代码
package com.csdn.servlet;
import jakarta.servlet.GenericServlet;
import jakarta.servlet.ServletException;
import jakarta.servlet.ServletRequest;
import jakarta.servlet.ServletResponse;
import jakarta.servlet.annotation.WebServlet;
import java.io.IOException;
import java.io.PrintWriter;
//演示Ajax
@WebServlet("/h09")
public class AjaxServlet extends GenericServlet {
    @Override
    public void service(ServletRequest servletRequest, ServletResponse servletResponse) throws ServletException, IOException {
        String uname = servletRequest.getParameter("uname");
        uname = uname.toUpperCase();
        PrintWriter out = servletResponse.getWriter();
        out.println(uname);
        out.flush();
    }
}
html 复制代码
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>ajax02</title>
    <script src="script/axios.min.js"></script>
    <script>
        //let xmlHttpRequest;
        function sendAjax01() {

            let uname = document.getElementById("uname").value;
            axios({
                method: "Get",
                url: "h09",
                params: {     //params:请求参数
                    uname: uname
                }
            }).then(function (response) {
                let msg = response.data;
                document.getElementById("uname2").innerText = msg;
            });
/*
            xmlHttpRequest = new XMLHttpRequest();
            xmlHttpRequest.open("Get","h09?uname="+uname,true);//Get:请求方式    h09:请求的目的地   true:异步请求
            //onreadystatechange:当状态发生改变的时候调用sendAjax01CB
            //状态取值有 0-4 ,共 5 个,我们感兴趣的是 4
            //0 表示 xmlHttpRequest未创建
            //1 表示开始发送请求
            //2 表示发送请求完成
            //3 表示开始接收响应
            //4 表示接收响应成功,客户端成功解析服务器返回的响应
            xmlHttpRequest.onreadystatechange = sendAjax01CB;    //CB:call back 回调函数
            //发送请求
            xmlHttpRequest.send();
        }
        function sendAjax01CB() {
            if (xmlHttpRequest.readyState == 4 && xmlHttpRequest.status == 200) {
                //获取响应文本
                let msg = xmlHttpRequest.responseText;
                document.getElementById("uname2").innerText = msg;
            }
*/
        }
    </script>
</head>
<body>
        uname:<input type="text" id="uname"/>
        <input type="button" value="发生异步请求" onclick="sendAjax01()"><br/>
        服务器响应回来的内容:<span id="uname2">&nbsp</span>
</body>
</html>

2、发送post请求

java 复制代码
package com.csdn.servlet;
import com.google.gson.Gson;
import jakarta.servlet.GenericServlet;
import jakarta.servlet.ServletException;
import jakarta.servlet.ServletRequest;
import jakarta.servlet.ServletResponse;
import jakarta.servlet.annotation.WebServlet;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.PrintWriter;
//演示Ajax
@WebServlet("/h10")
public class PostAxiosAjaxServlet extends GenericServlet {
    @Override
    public void service(ServletRequest servletRequest, ServletResponse servletResponse) throws ServletException, IOException {

        BufferedReader br = servletRequest.getReader();
        StringBuilder stringBuilder = new StringBuilder();
        String str = null;
        if ((str= br.readLine())!=null) {
            stringBuilder.append(str);
        }
        str = stringBuilder.toString();
        System.out.println(str);

        Gson gson = new Gson();
        //已知json字符串,获取Java对象
        Person person = gson.fromJson(str, Person.class);

/*
        String uname = servletRequest.getParameter("uname");
        uname = uname.toUpperCase();
        String address = servletRequest.getParameter("address");
        address = address.toUpperCase();
*/

        PrintWriter out = servletResponse.getWriter();
        out.println(person);
        out.flush();
    }
}
@Data
@NoArgsConstructor
@AllArgsConstructor
class Person{
    private String uname;
    private String address;
}
html 复制代码
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>ajax03</title>
    <script src="script/axios.min.js"></script>
    <script>
        //let xmlHttpRequest;
        function sendAjax01() {

            let uname = document.getElementById("uname").value;
            let address = document.getElementById("address").value;
            axios({
                method: "POST",
                url: "h10",
                data: {  //date:请求体参数   发送请求体参数必须时post请求
                    uname: uname,
                    address:address
                }
            }).then(function (response) {
                let msg = response.data;
                document.getElementById("uname2").innerText = msg;
            });
/*
            xmlHttpRequest = new XMLHttpRequest();
            xmlHttpRequest.open("Get","h09?uname="+uname,true);//Get:请求方式    h09:请求的目的地   true:异步请求
            //onreadystatechange:当状态发生改变的时候调用sendAjax01CB
            //状态取值有 0-4 ,共 5 个,我们感兴趣的是 4
            //0 表示 xmlHttpRequest未创建
            //1 表示开始发送请求
            //2 表示发送请求完成
            //3 表示开始接收响应
            //4 表示接收响应成功,客户端成功解析服务器返回的响应
            xmlHttpRequest.onreadystatechange = sendAjax01CB;    //CB:call back 回调函数
            //发送请求
            xmlHttpRequest.send();
        }
        function sendAjax01CB() {
            if (xmlHttpRequest.readyState == 4 && xmlHttpRequest.status == 200) {
                //获取响应文本
                let msg = xmlHttpRequest.responseText;
                document.getElementById("uname2").innerText = msg;
            }
*/
        }
    </script>
</head>
<body>
        uname:<input type="text" id="uname"/><br/>
        address:<input type="text" id="address"><br/>
        <input type="button" value="发生异步请求" onclick="sendAjax01()"><br/>
        服务器响应回来的内容:<span id="uname2">&nbsp</span>
</body>
</html>
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