1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 | <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>쇼핑몰</title> <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootswatch/4.5.2/sketchy/bootstrap.min.css"> <style> .btn { background-color: #F3EDED; color: #272420; border: none; } .btn:hover { background-color: #C5B5CA; color: #272420; } .btn-warning { background-color: #F0D7C2; color: #272420; } .btn-danger { background-color: #B0AAC0; color: #272420; } /* 다시선택 버튼 */ .btn-secondary { background-color: #97BEE6; color: #272420; } .btn-secondary:hover { background-color: #5B8CD2; color: #272420; } .cart-item { margin-bottom: 10px; } .container { max-width: 800px; margin: auto; padding: 20px; border: 2px solid #ccc; border-radius: 10px; background-color: #fdecec; } .form-group { margin-bottom: 20px; } .btn-col { margin-top: 10px; } /* 장바구니 */ #demoCart { background-color: #fff; border: 1px solid #6a0000; padding: 10px; border-radius: 5px; } #demoCart .cart-item { border-bottom: 1px solid #eee; padding-bottom: 5px; margin-bottom: 5px; } #demoCart .cart-item p { margin-bottom: 5px; } #demoCart .cart-item button { margin-left: 10px; } </style> <script> 'use strict'; let cart = []; // 장바구니 배열 // 가격계산 곱하기 수량 function priceCalc() { let price = myform.price.value * myform.ea.value; demo1.innerHTML = numberWithCommas(price) + "원"; calculateTotal(); } // VAT계산 function vatCalc() { let price = myform.price.value * myform.ea.value; let vat = price * 0.1; demo2.innerHTML = numberWithCommas(vat) + "원"; calculateTotal(); } // 총가격계산(VAT포함한 가격) function totalCalc() { let price = myform.price.value * myform.ea.value; let vat = price * 0.1; let totalPrice = price + vat; demo3.innerHTML = numberWithCommas(totalPrice) + "원"; calculateTotal(); } // 상품 선택 function productChoice() { let product = document.getElementById("product").value; let productSizes = { '수영복': [5000, 10000, 15000, 20000, 25000], '튜브': [3000, 5000, 7000], '보트': [10000, 15000, 20000], '물안경': [2000, 3000, 4000], '오리발': [7000, 10000] }; let sizeOptions = ''; for (let i = 0; i < productSizes[product].length; i++) { sizeOptions += `<option value="${productSizes[product][i]}">${i + 1}. ${getSizeName(i)} Size(${numberWithCommas(productSizes[product][i])})</option>`; } document.getElementById("price").innerHTML = sizeOptions; } // 장바구니에 상품 추가 function addToCart() { let product = document.getElementById("product").value; let price = myform.price.value * myform.ea.value; let ea = myform.ea.value; // VAT 계산 let vat = price * 0.1; // VAT가 포함된 총 가격 계산 let totalPrice = price + vat; // 장바구니에 상품 정보 추가 cart.push({ product: product, price: totalPrice, ea: ea }); updateCartDisplay(); // 장바구니 화면 업데이트 } // 장바구니 비우기 function clearCart() { cart = []; // 장바구니 비우기 updateCartDisplay(); // 장바구니업데이트 } // 장바구니 화면 업데이트 함수 function updateCartDisplay() { let cartContent = ""; cart.forEach(function (item, index) { cartContent += `<div class="cart-item"> <p>${item.product} - ${numberWithCommas(item.price)}원 (${item.ea}개)</p> <button xxonclick="removeFromCart(${index})" class="btn btn-secondary">다시선택</button> </div>`; }); document.getElementById("demoCart").innerHTML = cartContent; } // 상품 사이즈명 function getSizeName(index) { switch (index) { case 0: return 'S'; case 1: return 'M'; case 2: return 'L'; case 3: return 'XL'; case 4: return 'XXL'; default: return ''; } } // 장바구니에서 상품 삭제 function removeFromCart(index) { cart.splice(index, 1); // 상품 제거 updateCartDisplay(); // 장바구니 업데이트 } // 콤마 변환함수(1,234) function numberWithCommas(num) { return num.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ","); } // 총 가격 계산 함수 function calculateTotal() { let totalPrice = 0; cart.forEach(function (item) { totalPrice += item.price; }); document.getElementById("totalPrice").innerHTML = numberWithCommas(totalPrice) + "원"; } // 구매하기 버튼 클릭 시 총 가격 알림창 표시 function purchase() { let totalPrice = 0; cart.forEach(function (item) { totalPrice += item.price; }); alert("총 가격은 " + numberWithCommas(totalPrice) + "원입니다."); } </script> </head> <body> <div class="container"> <h2 class="text-center">상품 가격 계산</h2> <form name="myform"> <div class="form-group"> <label for="product">상품명 :</label> <select name="product" id="product" xxonchange="productChoice()" class="form-control"> <option selected>수영복</option> <option>튜브</option> <option>보트</option> <option>물안경</option> <option>오리발</option> </select> </div> <div class="form-group"> <label for="price">사이즈(단가) :</label> <select name="price" id="price" class="form-control"> <option value="5000" selected>1. S Size(5,000)</option> <option value="10000">2. M Size(10,000)</option> <option value="15000">3. L Size(15,000)</option> <option value="20000">4. XL Size(20,000)</option> <option value="25000">5. XXL Size(25,000)</option> </select> </div> <div class="form-group"> <label for="ea">수량(개)</label> <input type="number" name="ea" id="ea" value="1" min="1" class="form-control" /> </div> <div class="row"> <div class="col"> <input type="button" value="가격" xxonclick="priceCalc()" class="btn btn-success btn-col" /> </div> <div class="col"> <input type="button" value="VAT" xxonclick="vatCalc()" class="btn btn-primary btn-col" /> </div> <div class="col"> <input type="button" value="총가격" xxonclick="totalCalc()" class="btn btn-info btn-col" /> </div> <div class="col"> <input type="button" value="장바구니 담기" xxonclick="addToCart()" class="btn btn-warning btn-col"> </div> <div class="col"> <input type="button" value="장바구니 비우기" xxonclick="clearCart()" class="btn btn-danger btn-col"> </div> </div> <hr /> <div class="m-3 border" id="demoProduct"> <div class="row"> <div class="col-6">☞ 가격(단가*수량) : </div> <div class="col-6" id="demo1"></div> </div> <div class="row"> <div class="col-6">☞ VAT(가격의 10%) : </div> <div class="col-6" id="demo2"></div> </div> <div class="row"> <div class="col-6">☞ 총판매가격(VAT포함) : </div> <div class="col-6" id="demo3"></div> </div> </div> <hr /> <div id="demoCart"></div> <div class="text-center"> <input type="button" value="구매하기" xxonclick="purchase()" class="btn btn-primary"> </div> </form> </div> </body> </html> | cs |
첫댓글 필요한 부분의 함수처리가 돋보입니다.
최종 가격 출력도 좋고요.
장바구니 배열처리 좋습니다. 수고하셨어요