StringBuilder排版

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/**
复制代码
 * 用StringBuilder拼一张多行「报价单」文本（面积/单价/材料费/人工费/总价），一次打印
 * <p>
 * 注意：
 * 1、StringBuilder
 * 2、append()
 * 3、String.format()
 * 4、toString()
 *
 */

public class Day19QuoteBillBuilder {

    public static void main(String[] args) {
        String projectNO = "1000 0000 0000 0000 0001";
        String projectName = "刘亦菲别院";
        String country = "中国";
        String province = "北京市";
        String city = "北京市";
        String district = "海淀区";
        String subDistrict = "长安街道";
        String community = "前海居委会";
        String road = "永定路";
        String houseNO = "199号";
        String projectAddress;
        String projectType = "全屋定制";
        String quoteDate = "2026-09-18 18:51:51";
        double area = 1299;
        double unitPrice = 8680;
        double materialCost = 8600000;
        double laborCost = 2675320;
        double totalPrice = 11275320;

        StringBuilder billBuilder = new StringBuilder();
        StringBuilder addressBuilder = new StringBuilder();
        String maxStr = String.format("%,2f", totalPrice);
        int width = maxStr.length();
        String fmt = "%," + width + ".2f";
        projectAddress = addressBuilder.append(country).append(province).append(city).append(district).append(subDistrict).append(community).append(road).append(houseNO).toString();

        billBuilder.append("\n-------------------------------项目信息-------------------------------").append("\n");
        billBuilder.append(String.format("项目编号：%s %n", projectNO));
        billBuilder.append(String.format("项目名称：%s %n", projectName));
        billBuilder.append(String.format("项目地址：%s %n", projectAddress));
        billBuilder.append(String.format("项目类型：%s %n", projectType));
        billBuilder.append(String.format("报价日期：%s %n", quoteDate));
        billBuilder.append("------------------------------装修报价表------------------------------").append("\n");
        billBuilder.append(String.format("项目面积：  " + fmt + "m² %n", area));
        billBuilder.append(String.format("总 金 额：￥" + fmt + "元 %n", totalPrice));
        billBuilder.append(String.format("装修单价：￥" + fmt + "元/m² %n", unitPrice));
        billBuilder.append("其中：\n");
        billBuilder.append(String.format("材料费用：￥" + fmt + "元 %n", materialCost));
        billBuilder.append(String.format("人工费用：￥" + fmt + "元 %n", laborCost));
        billBuilder.append("-----------------------------以下是明细报价-----------------------------").append("\n\n");

        System.out.printf(billBuilder.toString());
    }
}