Document            /*1.数据主体:包含6个订餐相关的数组            订餐人   names            送餐时间 dishmags            送餐时间 times            送餐地址 addresses            订单状态 states            总订单 sumPrices        包含3个菜品相关的数组            餐品名 dishNames            单价 prices            点赞数 praiseNums        */        //订单信息        var names = ["小明", "小红"];        var disMegs = ["香辣鸡腿堡", "可乐"];        var times = [13, 14];        var addresses = ["江苏南京", "江苏南京"];        var states = [1, 0];  //是否预定        var sumPrices = [99 * 2, 52];        //餐品信息        var dishNames = ["香辣鸡腿堡", "薯条", "可乐", "全家桶"];        var prices = [18, 11, 8, 99];        var praiseNums = [78, 10, 8, 20];        //2.搭建框架结构        do {            //使用ES6里面的模板字符串            //变量选择数字            var choice;            // +prompt()接收录入的数据  +直接转换成整数             choice = +prompt(`            *************************            1.我要订餐            2.查看餐袋            3.签收订单            4.删除订单            5.我要点赞            6.退出系统            7.新品上架                     *************************            请选择:            `);            //根据选项进行操作            switch (choice) {                case 1:                    console.log("====我要订餐====");                    var yourName = prompt("请输入订餐人姓名")                    //展示菜品信息                    console.log(`序号   菜名   单价    点赞数`);                    for (let i = 0; i < dishNames.length; i++) {                        //模板字符串解析变量 ${表达式}                        console.log(`${i + 1}   ${dishNames[i]}   ${prices[i]}    ${praiseNums[i]}`);                    }                    //选择菜品编号                    let youeDishNo = +prompt("请您选择要点的菜品编号");                    while (youeDishNo > dishNames.length || youeDishNo < 1) {                        youeDishNo = +prompt("对不起,您点的菜真没有,请重新录入");                    }                    // 选择份数                    let yourChoiceCount = +prompt("请选择您需要的份数");                    //拼接菜品信息                    let yourDishMegs = dishNames[youeDishNo - 1] + " " + yourChoiceCount + "份"                    //选择时间                    let yourTime = + prompt("请输入送餐时间(送餐时间10店到20点之间)");                    while (yourTime > 20 || yourTime < 10) {                        yourTime = +prompt("对不起您录入的时间不在骑手的工作范围之内,请重新输入送餐时间");                    }                    //选择地址                    let yourAddress = prompt("请输入送餐地址");                    //后台做计算价格 : (餐费大于50元免除配送费,否则配送费6元)                    //后台将订餐信息添加到数组中                    //计算消费                    let yourCash = prices[youeDishNo - 1] * yourChoiceCount > 50 ? 0 : 6; //三目运算符                    //计算总价格                    let yourTotalPrice = prices[youeDishNo - 1] * yourChoiceCount + yourCash;                    //将订餐信息添加到数组                    names.push(yourName);                    disMegs.push(yourDishMegs);                    times.push(yourTotalPrice);                    //打印成功信息                    console.log("订餐成功");                    console.log(`                    ---------------------------------------------------------------                    您订的是:${yourDishMegs}                    送餐时间:${yourTime}点                    餐费:${prices[youeDishNo - 1] * yourChoiceCount}元,送餐费:${yourCash}元,总计:${yourTotalPrice}元。                    `);                    continue;                case 2:                    console.log("****查看餐袋****");                    console.log(`序号   订餐人  餐品信息   送餐日期   送餐地址   总金额   订单状态`);                    //let 块级作用域 定义的变量作用范围是离他最近的一个花括号的范围                    for (let i = 0; i < names.length; i++) {                        console.log(`${i + 1}\t${names[i]}\t${disMegs[i]}\t ${times[i]}点 \t ${addresses[i]} \t${sumPrices[i]}元\t${states[i] == 0 ? '已预定' : '已签收'}`);                    }                    continue;                case 3:                    console.log("****签收订单****");                    let yourSignNo = +prompt("请选择要签收的订单序号");                    //判断订单数组里面有没有数据                    if (names.length === 0) {                        console.log("没有订单,输入错误");                    } else {                        while (yourSignNo > names.length || yourSignNo < 1) {                            console.log("您选的订单不存在,请重新选择订单序号");                        }                        //判断订单是否已签收,已签收不能再次签收给出提示                        if (states[yourSignNo - 1] === 1) {                            console.log("您选择的订单已完成签收,不能再次签收!!!");                        } else {                            //可以被签收,修改状态                            states[yourSignNo - 1] = 1                            console.log("签收完成,感谢您的配合");                        }                    }                    continue;                case 4:                    console.log("****删除订单****");                    let yourDelNo = +prompt("请选择要删除的订单");                    //判断订单数组里面有没有数据                    if (yourDelNo === 0) {                        console.log("没有订单,输入错误");                    } else {                        while (yourDelNo > names.length || yourDelNo < 1) {                            console.log("您选择的订单不存在,请重新输入订单号");                            yourDelNo = +prompt("请选择要删除的订单");                        }                        //判断订单是否已经删除,已删除                        if (yourDelNo === 0) {                            console.log("订单未签收,不能删除");                        } else {                            //将选择的订单从数组中删除 arry.splice(yourDelNo-1,1)                            //删除6个数组                            let delNo = yourDelNo - 1;                            names.splice(delNo, 1);                            states.splice(delNo, 1);                            disMegs.splice(delNo, 1);                            sumPrices.splice(delNo, 1);                            addresses.splice(delNo, 1);                            times.splice(delNo, 1);                            console.log("删除成功,欢迎惠顾");                        }                    }                    continue;                case 5:                    console.log("****我要点赞****");                    console.log("****我要点赞****");                    console.log(`餐品信息 `);                    for (let i = 0; i < dishNames.length; i++) {                        console.log(                            `${i + 1}\t ${dishNames[i]}\t ${prices[i]}\t ${praiseNums[i]                            }\t`                        );                    }                    let yourProductLikes =                        +prompt("请输入需要点赞的订单序号:");                    //判断订单数组里面有没有数据                    if (names.length === 0) {                        console.log("没有订单,输入错误!");                    } else {                        while (                            yourProductLikes > dishNames.length ||                            yourProductLikes < 1                        ) {                            console.log("您所选的订单不存在,诘重新订单序号:");                            yourProductLikes =                                +prompt("请选择要签收的订单序号:");                        }                        praiseNums.splice(                            yourProductLikes - 1,                            1,                            ++praiseNums[yourProductLikes - 1]                        );                        console.log("点赞成功");                        for (let i = 0; i < dishNames.length; i++) {                            console.log(                                `${i + 1}\t ${dishNames[i]}\t ${prices[i]}\t ${praiseNums[i]                                }\t`                            );                        }                    }                    continue;                case 6:                    console.log("****退出系统****");                    break;                case 7:                    console.log("***新品上架****");                    console.log(`餐品信息`);                    for (let i = 0; i < dishNames.length; i++) {                        console.log(`${i + 1}\t ${dishNames[i]}\t ${prices[i]}\t ${praiseNums[i]}`);                    }                    var yourNewChoices = prompt("请输入需要的订单名称:");                    var yourNewPrices = +prompt("请输入需要的订单价格:");                    var yourdianzan = 0;                    dishNames.push(yourNewChoices);                    prices.push(yourNewPrices);                    praiseNums.push(yourdianzan);                    console.log("添加成功");                    for (let i = 0; i < dishNames.length; i++) {                        console.log(`${i + 1}\t ${dishNames[i]}\t ${prices[i]}\t ${praiseNums[i]}`);                    }                    continue;            }            //跳出系统            break;        } while (true)        console.log("程序结束");    

<!DOCTYPE html><html lang=“en”>
<meta charset=“UTF-8”> <meta http-equiv=“X-UA-Compatible” content=“IE=edge”> <meta name=“viewport” content=“width=device-width, initial-scale=1.0”> </span>Document<span>

/*1.数据主体:包含6个订餐相关的数组 订餐人 names 送餐时间 dishmags 送餐时间 times 送餐地址 addresses 订单状态 states 总订单 sumPrices
包含3个菜品相关的数组 餐品名 dishNames 单价 prices 点赞数 praiseNums */
//订单信息 var names = [“小组长”, “王军威”]; var disMegs = [“大肉丸子2个”, “鸡1只”]; var times = [13, 14]; var addresses = [“江苏警官学院”, “江苏警官学院”]; var states = [1, 0]; //是否预定 var sumPrices = [99 * 2, 52];
//餐品信息 var dishNames = [“大肉丸子”, “鸡”, “鸭屁股”, “烤乳猪”]; var prices = [99, 52, 9.9, 13]; var praiseNums = [78, 10, 8, 20];

//2.搭建框架结构 do { //使用ES6里面的模板字符串 //变量选择数字 var choice; // +prompt()接收录入的数据 +直接转换成整数 choice = +prompt(`
*************************
1.我要订餐 2.查看餐袋 3.签收订单 4.删除订单 5.我要点赞 6.退出系统 7.新品上架
*************************
请选择:
`);
//根据选项进行操作 switch (choice) { case 1: console.log(“====我要订餐====”); var yourName = prompt(“请输入订餐人姓名”) //展示菜品信息 console.log(`序号 菜名 单价 点赞数`); for (let i = 0; i < dishNames.length; i++) { //模板字符串解析变量 ${表达式} console.log(`${i + 1} ${dishNames[i]} ${prices[i]} ${praiseNums[i]}`); }
//选择菜品编号 let youeDishNo = +prompt(“请您选择要点的菜品编号”); while (youeDishNo > dishNames.length || youeDishNo < 1) { youeDishNo = +prompt(“对不起,您点的菜真没有,请重新录入”); }
// 选择份数 let yourChoiceCount = +prompt(“请选择您需要的份数”);
//拼接菜品信息 let yourDishMegs = dishNames[youeDishNo1] + ” “ + yourChoiceCount + “份”
//选择时间 let yourTime = + prompt(“请输入送餐时间(送餐时间10店到20点之间)”); while (yourTime > 20 || yourTime < 10) { yourTime = +prompt(“对不起您录入的时间不在骑手的工作范围之内,请重新输入送餐时间”); }
//选择地址 let yourAddress = prompt(“请输入送餐地址”);
//后台做计算价格 : (餐费大于50元免除配送费,否则配送费6元) //后台将订餐信息添加到数组中 //计算消费 let yourCash = prices[youeDishNo1] * yourChoiceCount > 50 ? 0 : 6; //三目运算符
//计算总价格 let yourTotalPrice = prices[youeDishNo1] * yourChoiceCount + yourCash;
//将订餐信息添加到数组 names.push(yourName); disMegs.push(yourDishMegs); times.push(yourTotalPrice);
//打印成功信息 console.log(“订餐成功”); console.log(` ————————————————————— 您订的是:${yourDishMegs} 送餐时间:${yourTime} 餐费:${prices[youeDishNo1] * yourChoiceCount}元,送餐费:${yourCash}元,总计:${yourTotalPrice}元。
`); continue;
case 2: console.log(“****查看餐袋****”); console.log(`序号 订餐人 餐品信息 送餐日期 送餐地址 总金额 订单状态`); //let 块级作用域 定义的变量作用范围是离他最近的一个花括号的范围 for (let i = 0; i < names.length; i++) { console.log(`${i + 1}\t${names[i]}\t${disMegs[i]}\t${times[i]}\t${addresses[i]}\t${sumPrices[i]}\t${states[i] == 0 ? ‘已预定’ : ‘已签收’}`);
} continue;
case 3: console.log(“****签收订单****”); let yourSignNo = +prompt(“请选择要签收的订单序号”); //判断订单数组里面有没有数据 if (names.length === 0) { console.log(“没有订单,输入错误”); } else { while (yourSignNo > names.length || yourSignNo < 1) { console.log(“您选的订单不存在,请重新选择订单序号”); } //判断订单是否已签收,已签收不能再次签收给出提示 if (states[yourSignNo1] === 1) { console.log(“您选择的订单已完成签收,不能再次签收!!!”); } else { //可以被签收,修改状态 states[yourSignNo1] = 1 console.log(“签收完成,感谢您的配合”); } }
continue;
case 4: console.log(“****删除订单****”); let yourDelNo = +prompt(“请选择要删除的订单”); //判断订单数组里面有没有数据 if (yourDelNo === 0) { console.log(“没有订单,输入错误”); } else { while (yourDelNo > names.length || yourDelNo < 1) { console.log(“您选择的订单不存在,请重新输入订单号”); yourDelNo = +prompt(“请选择要删除的订单”); } //判断订单是否已经删除,已删除 if (yourDelNo === 0) { console.log(“订单未签收,不能删除”); } else { //将选择的订单从数组中删除 arry.splice(yourDelNo-1,1) //删除6个数组 let delNo = yourDelNo1; names.splice(delNo, 1); states.splice(delNo, 1); disMegs.splice(delNo, 1); sumPrices.splice(delNo, 1); addresses.splice(delNo, 1); times.splice(delNo, 1); console.log(“删除成功,欢迎惠顾”); } } continue;
case 5: console.log(“****我要点赞****”); console.log(“****我要点赞****”); console.log(`餐品信息 `); for (let i = 0; i < dishNames.length; i++) { console.log( `${i + 1}\t${dishNames[i]}\t${prices[i]}\t${praiseNums[i] }\t` ); } let yourProductLikes = +prompt(“请输入需要点赞的订单序号:”); //判断订单数组里面有没有数据 if (names.length === 0) { console.log(“没有订单,输入错误!”); } else { while ( yourProductLikes > dishNames.length || yourProductLikes < 1 ) { console.log(“您所选的订单不存在,诘重新订单序号:”); yourProductLikes = +prompt(“请选择要签收的订单序号:”); }
praiseNums.splice( yourProductLikes1, 1, ++praiseNums[yourProductLikes1] ); console.log(“点赞成功”); for (let i = 0; i < dishNames.length; i++) { console.log( `${i + 1}\t${dishNames[i]}\t${prices[i]}\t${praiseNums[i] }\t` ); } }
continue;
case 6: console.log(“****退出系统****”);
break;
case 7: console.log(“***新品上架****”); console.log(`餐品信息`); for (let i = 0; i < dishNames.length; i++) { console.log(`${i + 1}\t${dishNames[i]}\t${prices[i]}\t${praiseNums[i]}`); }
var yourNewChoices = prompt(“请输入需要的订单名称:”); var yourNewPrices = +prompt(“请输入需要的订单价格:”); var yourdianzan = 0;
dishNames.push(yourNewChoices); prices.push(yourNewPrices); praiseNums.push(yourdianzan);
console.log(“添加成功”); for (let i = 0; i < dishNames.length; i++) { console.log(`${i + 1}\t${dishNames[i]}\t${prices[i]}\t${praiseNums[i]}`); } continue;
} //跳出系统 break;
} while (true) console.log(“程序结束”);