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C#實(shí)現(xiàn)表格數(shù)據(jù)轉(zhuǎn)實(shí)體的示例代碼

 更新時(shí)間:2022年09月28日 08:51:31   作者:Csharp小記  
在實(shí)際開發(fā)過(guò)程中,特別是接口對(duì)接之類的,對(duì)于這種需求是屢見不鮮,現(xiàn)在很多在線平臺(tái)也都提供了像json轉(zhuǎn)實(shí)體、sql轉(zhuǎn)實(shí)體等。本文將用C#實(shí)現(xiàn)這一功能,需要的可以參考一下

場(chǎng)景

在實(shí)際開發(fā)過(guò)程中,特別是接口對(duì)接之類的,對(duì)于這種需求是屢見不鮮,現(xiàn)在很多在線平臺(tái)也都提供了像json轉(zhuǎn)實(shí)體、sql轉(zhuǎn)實(shí)體等。但是很多情況下,我們接收到的其實(shí)都是一份接口文檔,在文檔中利用表格標(biāo)明了字段的名稱、備注、類型等,而關(guān)于json什么的都是后來(lái)才有的,或者說(shuō),傳輸根本不用json。因此,表格數(shù)據(jù)能夠轉(zhuǎn)成實(shí)體類的需求就比較明顯了。

需求

所以,綜上場(chǎng)景所述,我們需要一個(gè)小工具,可以將表格數(shù)據(jù)直接轉(zhuǎn)換為c#代碼,當(dāng)然,本著通用化的思想,小工具當(dāng)然不會(huì)單純的做一個(gè)讀取excel文件的功能,這樣一點(diǎn)也不好用,因?yàn)橛善渌胤教峁┑奈臋n有的是excel,有的是word,所以,我們利用剪切板來(lái)做,只要解析剪切板的數(shù)據(jù)就可以了。

開發(fā)環(huán)境

.NET Framework版本:4.5

開發(fā)工具

 Visual Studio 2013

實(shí)現(xiàn)代碼

 public class GeneratorFieldModel
    {
        public string FieldDesc { get; set; }
        public string Modifier { get { return "public"; } }
        public string Type { get; set; }
        public string FieldName { get; set; }
        public string Property { get { return "{ get; set; }"; } }
        public bool IsNull { get; set; }
        public bool IsKey { get; set; }
        public string DefaultText { get; set; }

        readonly string startDesc = "\t\t/// <summary>";
        readonly string endDesc = "\t\t/// </summary>";


        public string FieldDescText
        {
            get
            {
                List<string> list = new List<string>();
                list.Add(startDesc);
                list.Add("\t\t///" + FieldDesc + "");
                list.Add(endDesc);
                return "\r\n" + string.Join("\r\n", list);
            }
        }

        public string PropertyText
        {
            get { return "\t\t" + string.Join(" ", Modifier, Type + (IsNull ? "?" : ""), FieldName, Property); }
        }
    }
public partial class Form_ToEntity : Form
    {
        BindingList<Entity> bindData = new BindingList<Entity>();
        public Form_ToEntity()
        {
            InitializeComponent();
        }
        private void Form_ToEntity_Load(object sender, EventArgs e)
        {
            string[] types = new string[]{
            "string",
            "decimal",
            "double",
            "int",
            "bool", 
            "long"
            };
            DataGridViewComboBoxColumn dgvComboBox = Column2 as DataGridViewComboBoxColumn;
            dgvComboBox.Items.AddRange(types);
            dataGridView1.DataSource = bindData;
        }

        #region 處理點(diǎn)擊選中著色
        private void dataGridView1_ColumnHeaderMouseClick(object sender, DataGridViewCellMouseEventArgs e)
        {
            DataGridViewColumn selectColumn = dataGridView1.Columns[e.ColumnIndex];

            Color color = selectColumn.DefaultCellStyle.BackColor == Color.LightGray ? Color.White : Color.LightGray;
            selectColumn.DefaultCellStyle.BackColor = color;
            selectColumn.HeaderCell.Style.BackColor = color;
            selectColumn.Tag = color;
        }

        private void dataGridView1_CellPainting(object sender, DataGridViewCellPaintingEventArgs e)
        {
            if (e.RowIndex == -1 && e.ColumnIndex > -1)
            {
                DataGridViewColumn selectColumn = dataGridView1.Columns[e.ColumnIndex];
                Color color = selectColumn.Tag == null ? Color.White : (Color)selectColumn.Tag;
                e.CellStyle.BackColor = color;
            }
        }

        #endregion

        /// <summary>
        /// 獲取剪切板數(shù)據(jù)
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void dataGridView1_KeyDown(object sender, KeyEventArgs e)
        {
            if (e.Control && e.KeyCode == Keys.V)
            {
                try
                {
                    string text = Clipboard.GetText();
                    if (string.IsNullOrWhiteSpace(text))
                    {
                        return;
                    }

                    string[] clipData = text.Split(new string[] { "\r\n" }, StringSplitOptions.RemoveEmptyEntries);

                    bindData = Clip2Entity(clipData);
                    dataGridView1.DataSource = new BindingList<Entity>(bindData);
                }
                catch (Exception ex)
                {
                    MessageBox.Show(ex.Message);
                }
            }
        }

        /// <summary>
        /// 將剪切板數(shù)據(jù)轉(zhuǎn)換為表格數(shù)據(jù)
        /// </summary>
        /// <param name="data"></param>
        /// <returns></returns>
        private BindingList<Entity> Clip2Entity(string[] data)
        {
            BindingList<Entity> list = new BindingList<Entity>();

            foreach (string s in data)
            {
                Entity entity = new Entity();
                string[] arr = s.Split('\t');
                if (arr.Length == 2)
                {
                    //選中名稱和類型
                    if (isCheck(dataGridView1.Columns[0]) && isCheck(dataGridView1.Columns[1]))
                    {
                        entity.name = arr[0];
                        entity.type = arr[1].ToLower();
                        entity.remark = "";
                    }
                    //選中名稱和備注
                    if (isCheck(dataGridView1.Columns[0]) && isCheck(dataGridView1.Columns[2]))
                    {
                        entity.name = arr[0];
                        entity.type = "string";
                        entity.remark = arr[1];
                    }
                    //選中類型和備注
                    if (isCheck(dataGridView1.Columns[1]) && isCheck(dataGridView1.Columns[2]))
                    {
                        entity.name = "";
                        entity.type = arr[0].ToLower();
                        entity.remark = arr[1];
                    }
                }
                else if (arr.Length == 3)
                {
                    entity.name = arr[0];
                    entity.type = arr[1].ToLower();
                    entity.remark = arr[2];
                }
                else
                {
                    if (isCheck(dataGridView1.Columns[0]))
                    {
                        entity.name = s;
                        entity.type = "string";
                        entity.remark = "";
                    }
                    else if (isCheck(dataGridView1.Columns[1]))
                    {
                        entity.name = "";
                        entity.type = s.ToLower();
                        entity.remark = "";
                    }
                    else if (isCheck(dataGridView1.Columns[2]))
                    {
                        entity.name = "";
                        entity.type = "string";
                        entity.remark = s;
                    }
                }
                list.Add(entity);
            }
            return list;
        }
        /// <summary>
        /// 判斷列是否被選中
        /// </summary>
        /// <param name="column"></param>
        /// <returns></returns>
        private bool isCheck(DataGridViewColumn column)
        {
            if (column.DefaultCellStyle.BackColor == Color.LightGray)
            {
                return true;
            }
            else
            {
                return false;
            }
        }

        private class Entity
        {
            public string name { get; set; }
            public string type { get; set; }
            public string remark { get; set; }
        }

        private void btn_add_Click(object sender, EventArgs e)
        {
            bindData.Add(new Entity
            {
                type = "string"
            });
        }

        private void btn_delete_Click(object sender, EventArgs e)
        {
            foreach (DataGridViewRow row in dataGridView1.SelectedRows)
            {
                dataGridView1.Rows.Remove(row);
            }

        }

        private void btn_generate_Click(object sender, EventArgs e)
        {
            StringBuilder stringBuilder = new StringBuilder();
            foreach (Entity entity in bindData)
            {
                GeneratorFieldModel field = new GeneratorFieldModel
                {
                    FieldName = entity.name,
                    FieldDesc = entity.remark,
                    Type = entity.type
                };
                stringBuilder.AppendLine(field.FieldDescText);
                stringBuilder.AppendLine(field.PropertyText);
            }
            string path = Application.StartupPath + "\\entity.txt";
            File.WriteAllText(path, stringBuilder.ToString());
            Process.Start(path);
        }

    }

實(shí)現(xiàn)效果

代碼解析:首先我們定義了一個(gè)GeneratorFieldModel類,在這個(gè)類中根據(jù)不同的字段屬性進(jìn)行了代碼的拼接,這樣就可以很方便的調(diào)用,直接把值傳進(jìn)去即可得到要生成的實(shí)體代碼,然后在Ui中,首先處理了一下選中變色(標(biāo)識(shí)我們要處理哪些數(shù)據(jù)列),然后就是分析剪切板數(shù)據(jù),轉(zhuǎn)化成需要的結(jié)構(gòu)化數(shù)據(jù)(表格復(fù)制到剪切板的數(shù)據(jù),其實(shí)就是以"\r\n"來(lái)分割的),顯示到dataGridView中。

到此這篇關(guān)于C#實(shí)現(xiàn)表格數(shù)據(jù)轉(zhuǎn)實(shí)體的示例代碼的文章就介紹到這了,更多相關(guān)C#表格數(shù)據(jù)轉(zhuǎn)實(shí)體內(nèi)容請(qǐng)搜索腳本之家以前的文章或繼續(xù)瀏覽下面的相關(guān)文章希望大家以后多多支持腳本之家!

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