根据C#实体类自动生成SQLServer数据库建表sql语句

不会偷懒的程序员不是好程序猿,没有什么技术点,就是对字符串进行解析,大神勿喷.虽然简单,但是很实用,可以节省不少时间.

注意项:

1.复制的时候按照样本复制;

2.拓展类型的话对着switch新增就行了;

3.可能有未知bug,建表的时候仔细再看看生成的sql语句.

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Text.RegularExpressions;

namespace ClassAutoSetSQL
{
    class Program
    {
        static void Main(string[] args)
        {
            string str = @"public class CarInvoice
    {
        public string success { get; set; }
        public string fpdm { get; set; }
        public string fplx { get; set; }
        public string fphm { get; set; }
        public DateTime kprq { get; set; }
        public string xfMc { get; set; }
        public string xfNsrsbh { get; set; }
        public string xfContact { get; set; }
        public string xfBank { get; set; }
        public string gfMc { get; set; }
        public string gfNsrsbh { get; set; }
        public string gfContact { get; set; }
        public string gfBank { get; set; }
        public string code { get; set; }
        public string num { get; set; }
        public string del { get; set; }
        public decimal taxamount { get; set; }
        public decimal goodsamount { get; set; }
        public decimal sumamount { get; set; }
        public decimal quantityAmount { get; set; }
        public string updateTime { get; set; }
        public string remark { get; set; }
        public CarGoodsData CarDoodData { get; set; }
    }

    ";
            str = Regex.Replace(str, @"[\r\n]", "");
            string sqlhead = "";
            string sqlbody = "";
            for (int i = 0; i < str.Length; i++)

                if (str[i] == 'p' && str[i + 1] == 'u' && str[i + 2] == 'b' && str[i + 3] == 'l' && str[i + 4] == 'i' && str[i + 5] == 'c')
                {
                    if (i == 0)
                    {
                        i += 13;
                        for (; ; )
                        {
                            if (str[i] == '{') break;
                            sqlhead += str[i];
                            i++;
                        }
                    }
                    else {
                        string type = "";
                        string sqltype = "";
                        string sqlname = "";
                        i += 7;
                        for (; ; )
                        {
                            if (str[i] == ' ') break;
                            type += str[i];
                            i++;
                        }
                        switch (type)
                        {
                            case "string":
                                sqltype = " nvarchar(50),\r\n";
                                break;
                            case "bool":
                                sqltype = " nvarchar(50),\r\n";
                                break;
                            case "DateTime":
                                sqltype = " datetime,\r\n";
                                break;
                            case "decimal":
                                sqltype = " decimal(18, 0),\r\n";
                                break;
                            case "int":
                                sqltype = " int,\r\n";
                                break;
                            default :
                                sqltype = " "+type + ",\r\n";
                                break;
                        }
                        i++;
                        for (; ; )
                        {
                            if (str[i] == ' ') break;
                            sqlname += str[i];
                            i++;
                        }
                        sqlbody += sqlname + sqltype;
                        i += 13;
                    }
                }
            
            string sql = "create table " + sqlhead + "(\r" + sqlbody + ")";
            Console.WriteLine(sql);
        }
        
        
    }
}