新增农户功能升级：身份证OCR/OSS上传、头像采集、同名村检测、Region热度排序及表单体验优化
- Region 表新增热度列，热门省份优先显示 - 区县下拉按地级市分组、已录区县优先、支持全省搜索 - 组选择内置一组至二十组 - 银行卡号独立行+粗体预览，开户行独立行 - 新增农户类型：农户/个体户/合作社/经营集体/公司 - 身份证正反面支持高拍仪/摄像头OCR与手机扫码上传，附件存本地/OSS - 新增农户头像采集组件（摄像头/本地上传），预留人脸识别收购扩展 - 同名村弹窗提醒（防选错乡镇） - 编辑窗体禁止遮罩/Esc误关，整体加宽适配高频操作 - 修复二维码局域网手机无法访问（监听0.0.0.0、局域网IP识别、Vite代理兜底）
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using AgriculturalPlatform.Api.Models;
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using Microsoft.EntityFrameworkCore;
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using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
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namespace AgriculturalPlatform.Api.Data;
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public class AppDbContext(DbContextOptions<AppDbContext> options) : DbContext(options)
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{
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public DbSet<User> Users => Set<User>();
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public DbSet<Organization> Organizations => Set<Organization>();
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public DbSet<Farmer> Farmers => Set<Farmer>();
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public DbSet<Region> Regions => Set<Region>();
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public DbSet<Product> Products => Set<Product>();
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public DbSet<PurchaseOrder> PurchaseOrders => Set<PurchaseOrder>();
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public DbSet<PaymentRecord> PaymentRecords => Set<PaymentRecord>();
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public DbSet<Invoice> Invoices => Set<Invoice>();
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protected override void OnModelCreating(ModelBuilder modelBuilder)
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{
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base.OnModelCreating(modelBuilder);
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// 所有枚举属性以字符串形式存储，便于阅读
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foreach (var entityType in modelBuilder.Model.GetEntityTypes())
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{
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foreach (var property in entityType.GetProperties())
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{
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if (property.ClrType.IsEnum)
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{
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var converterType = typeof(EnumToStringConverter<>).MakeGenericType(property.ClrType);
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var converter = (ValueConverter)Activator.CreateInstance(converterType)!;
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property.SetValueConverter(converter);
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}
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}
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}
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// 用户
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modelBuilder.Entity<User>()
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.Property(u => u.Username).HasMaxLength(50);
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modelBuilder.Entity<User>()
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.HasIndex(u => u.Username).IsUnique();
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modelBuilder.Entity<User>()
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.HasOne(u => u.Org).WithMany().HasForeignKey(u => u.OrgId)
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.OnDelete(DeleteBehavior.SetNull);
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// 组织
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modelBuilder.Entity<Organization>()
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.Property(o => o.Type).HasMaxLength(32);
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modelBuilder.Entity<Organization>()
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.Property(o => o.Name).HasMaxLength(200);
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modelBuilder.Entity<Organization>()
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.HasIndex(o => new { o.Type, o.Name });
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modelBuilder.Entity<Organization>()
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.HasOne(o => o.Parent).WithMany().HasForeignKey(o => o.ParentId)
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.OnDelete(DeleteBehavior.Restrict);
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// 农户：身份证唯一
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modelBuilder.Entity<Farmer>()
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.Property(f => f.IdCard).HasMaxLength(18);
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modelBuilder.Entity<Farmer>()
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.HasIndex(f => f.IdCard).IsUnique();
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modelBuilder.Entity<Farmer>()
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.Property(f => f.Phone).HasMaxLength(20);
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modelBuilder.Entity<Farmer>()
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.HasIndex(f => f.Phone);
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modelBuilder.Entity<Farmer>()
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.Property(f => f.FarmerType).HasMaxLength(20);
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modelBuilder.Entity<Farmer>()
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.Property(f => f.IdCardFrontUrl).HasMaxLength(500);
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modelBuilder.Entity<Farmer>()
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.Property(f => f.IdCardBackUrl).HasMaxLength(500);
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modelBuilder.Entity<Farmer>()
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.Property(f => f.Province).HasMaxLength(50);
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modelBuilder.Entity<Farmer>()
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.Property(f => f.County).HasMaxLength(50);
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modelBuilder.Entity<Farmer>()
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.Property(f => f.Township).HasMaxLength(50);
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modelBuilder.Entity<Farmer>()
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.Property(f => f.Village).HasMaxLength(100);
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modelBuilder.Entity<Farmer>()
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.Property(f => f.GroupName).HasMaxLength(50);
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modelBuilder.Entity<Farmer>()
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.HasIndex(f => new { f.Province, f.County, f.Township });
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// 行政区划（AreaCity 全国数据，表由导入脚本/启动建表创建）
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modelBuilder.Entity<Region>()
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.HasKey(r => r.Id);
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modelBuilder.Entity<Region>()
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.Property(r => r.Name).HasMaxLength(100);
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modelBuilder.Entity<Region>()
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.Property(r => r.ExtName).HasMaxLength(100);
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modelBuilder.Entity<Region>()
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.HasIndex(r => r.Pid);
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modelBuilder.Entity<Region>()
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.HasIndex(r => r.Deep);
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// 品种
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modelBuilder.Entity<Product>()
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.Property(p => p.Name).HasMaxLength(100);
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modelBuilder.Entity<Product>()
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.HasIndex(p => p.Name).IsUnique();
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// 收购单
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modelBuilder.Entity<PurchaseOrder>()
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.Property(p => p.OrderNo).HasMaxLength(32);
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modelBuilder.Entity<PurchaseOrder>()
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.HasIndex(p => p.OrderNo).IsUnique();
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modelBuilder.Entity<PurchaseOrder>()
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.HasIndex(p => new { p.Status, p.CreatedAt });
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modelBuilder.Entity<PurchaseOrder>()
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.HasOne(p => p.Farmer).WithMany().HasForeignKey(p => p.FarmerId)
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.OnDelete(DeleteBehavior.Restrict);
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modelBuilder.Entity<PurchaseOrder>()
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.HasOne(p => p.Product).WithMany().HasForeignKey(p => p.ProductId)
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.OnDelete(DeleteBehavior.Restrict);
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modelBuilder.Entity<PurchaseOrder>()
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.HasOne(p => p.PurchaserOrg).WithMany().HasForeignKey(p => p.PurchaserOrgId)
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.OnDelete(DeleteBehavior.Restrict);
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modelBuilder.Entity<PurchaseOrder>()
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.HasOne(p => p.Operator).WithMany().HasForeignKey(p => p.OperatorId)
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.OnDelete(DeleteBehavior.SetNull);
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// 支付
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modelBuilder.Entity<PaymentRecord>()
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.Property(p => p.PayNo).HasMaxLength(32);
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modelBuilder.Entity<PaymentRecord>()
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.HasIndex(p => p.PayNo).IsUnique();
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modelBuilder.Entity<PaymentRecord>()
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.HasIndex(p => new { p.Status, p.CreatedAt });
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modelBuilder.Entity<PaymentRecord>()
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.HasOne(p => p.Farmer).WithMany().HasForeignKey(p => p.FarmerId)
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.OnDelete(DeleteBehavior.Restrict);
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modelBuilder.Entity<PaymentRecord>()
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.HasOne(p => p.PurchaseOrder).WithMany().HasForeignKey(p => p.PurchaseOrderId)
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.OnDelete(DeleteBehavior.SetNull);
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modelBuilder.Entity<PaymentRecord>()
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.HasOne(p => p.PurchaserOrg).WithMany().HasForeignKey(p => p.PurchaserOrgId)
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.OnDelete(DeleteBehavior.Restrict);
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modelBuilder.Entity<PaymentRecord>()
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.HasOne(p => p.Operator).WithMany().HasForeignKey(p => p.OperatorId)
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.OnDelete(DeleteBehavior.SetNull);
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// 发票
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modelBuilder.Entity<Invoice>()
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.Property(i => i.InvoiceNo).HasMaxLength(32);
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modelBuilder.Entity<Invoice>()
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.HasIndex(i => i.InvoiceNo).IsUnique();
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modelBuilder.Entity<Invoice>()
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.Property(i => i.BatchNo).HasMaxLength(32);
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modelBuilder.Entity<Invoice>()
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.HasIndex(i => i.BatchNo);
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modelBuilder.Entity<Invoice>()
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.HasIndex(i => new { i.Status, i.IssueDate });
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modelBuilder.Entity<Invoice>()
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.HasOne(i => i.Farmer).WithMany().HasForeignKey(i => i.FarmerId)
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.OnDelete(DeleteBehavior.Restrict);
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modelBuilder.Entity<Invoice>()
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.HasOne(i => i.PurchaserOrg).WithMany().HasForeignKey(i => i.PurchaserOrgId)
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.OnDelete(DeleteBehavior.Restrict);
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modelBuilder.Entity<Invoice>()
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.HasOne(i => i.Product).WithMany().HasForeignKey(i => i.ProductId)
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.OnDelete(DeleteBehavior.Restrict);
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modelBuilder.Entity<Invoice>()
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.HasOne(i => i.PurchaseOrder).WithMany().HasForeignKey(i => i.PurchaseOrderId)
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.OnDelete(DeleteBehavior.SetNull);
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modelBuilder.Entity<Invoice>()
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.HasOne(i => i.Operator).WithMany().HasForeignKey(i => i.OperatorId)
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.OnDelete(DeleteBehavior.SetNull);
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// 金额/重量精度
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foreach (var entityType in modelBuilder.Model.GetEntityTypes())
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{
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foreach (var property in entityType.GetProperties())
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{
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if (property.ClrType == typeof(decimal) || property.ClrType == typeof(decimal?))
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{
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property.SetPrecision(18);
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property.SetScale(2);
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}
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}
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}
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}
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}
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