cs-SelectTree-DropTreeNode, SelectTreeList

ylbtech-Unitity: cs-SelectTree-DropTreeNode, SelectTreeList

 DropTreeNode.cs SelectTreeList.cs

1.A,效果图返回顶部

 

1.B,源代码返回顶部

1.B.1,DropTreeNode.cs

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading.Tasks;



namespace Healthcare.Framework.Web.Mvc

{

    public class DropTreeNode

    {

        public string RootValue { get; set; }

        public string TreeNodeID { get; set; }

        public string Text { get; set; }

        public string Value { get; set; }

        public string ParentTreeNodeID { get; set; }



        public string Css { get; set; }

    }



}

View Code

1.B.2,SelectTreeList.cs

using System;

using System.Collections;

using System.Collections.Generic;

using System.Linq;

using System.Reflection;

using System.Text;

using System.Threading.Tasks;



namespace Healthcare.Framework.Web.Mvc

{

    /// <summary>

    /// 树形下拉框

    /// </summary>

    public class SelectTreeList

    {

        #region 字段



        List<DropTreeNode> treeNodes = new List<DropTreeNode>();

        string rootValue = null;

        string valueField = null;

        string textField = null;

        string nodeField = null;

        string parentField = null;



        string css = null;



        string selectValue = "";



        bool isFinalLevel = false;



        public bool IsFinalLevel

        {

            get { return isFinalLevel; }

            set { isFinalLevel = value; }

        }



        public string SelectValue

        {

            get { return selectValue; }

            set { selectValue = value; }

        }



        #endregion



        #region 构造函数



        /// <summary>

        /// 构造函数

        /// </summary>

        /// <param name="items">项集合</param>

        /// <param name="rootValue">根元素字段</param>

        /// <param name="textField">显示文本字段</param>

        /// <param name="nodeField">节点字段</param>

        /// <param name="parentField">父节点字段</param>

        public SelectTreeList(IEnumerable items, string rootValue, string textField, string nodeField, string parentField)

        {

            this.rootValue = rootValue;

            this.valueField = nodeField;

            this.textField = textField;

            this.nodeField = nodeField;

            this.parentField = parentField;

            Validate();

            Init(items);

        }



        /// <summary>

        /// 构造函数

        /// </summary>

        /// <param name="items">项集合</param>

        /// <param name="rootValue">根元素字段</param>

        /// <param name="valueField">获取值字段</param>

        /// <param name="textField">显示文本字段</param>

        /// <param name="nodeField">节点字段</param>

        /// <param name="parentField">父节点字段</param>

        public SelectTreeList(IEnumerable items, string rootValue, string textField, string nodeField, string parentField, string valueField, string selectValue, bool isFinalLevel = false, string Css="")

        {

            this.rootValue = rootValue;

            this.valueField = valueField;

            this.textField = textField;

            this.nodeField = nodeField;

            this.parentField = parentField;

            this.selectValue = selectValue;

            this.isFinalLevel = isFinalLevel;

            this.css = Css;



            Validate();

            Init(items);

        }



        #endregion



        /// <summary>

        /// 验证各个参数的有效性

        /// </summary>

        public void Validate()

        {

            StringBuilder sb = new StringBuilder();

            if (string.IsNullOrEmpty(valueField))

                sb.AppendLine("获取值字段不能为空");

            if (string.IsNullOrEmpty(textField))

                sb.AppendLine("显示文本字段不能为空");

            if (string.IsNullOrEmpty(nodeField))

                sb.AppendLine("节点字段不能为空");

            if (string.IsNullOrEmpty(parentField))

                sb.AppendLine("父节点字段字段不能为空");

            if (sb.Length > 0)

                throw new Exception("验证错误：" + sb.ToString());

        }



        /// <summary>

        /// 初始化TreeNodes集合

        /// </summary>

        /// <param name="items"></param>

        public void Init(IEnumerable items)

        {

            foreach (var item in items)

            {

                DropTreeNode treeNode = new DropTreeNode();

                Type type = item.GetType();



                PropertyInfo property = type.GetProperty(this.valueField);

                object o = property.GetValue(item, null);

                treeNode.Value = o.ToString();



                property = type.GetProperty(this.textField);

                o = property.GetValue(item, null);

                treeNode.Text = o.ToString();



                property = type.GetProperty(this.nodeField);

                o = property.GetValue(item, null);

                treeNode.TreeNodeID = o.ToString();



                property = type.GetProperty(this.parentField);

                o = property.GetValue(item, null);

                treeNode.ParentTreeNodeID = o.ToString();



                if (!string.IsNullOrEmpty(this.css))

                {

                    property = type.GetProperty(this.css);

                    o = property.GetValue(item, null);

                    treeNode.Css = o.ToString();

                }

                else

                    treeNode.Css = "";



                treeNodes.Add(treeNode);

            }

        }



        #region 字段属性



        public List<DropTreeNode> TreeNodes

        {

            get { return treeNodes; }

            set { treeNodes = value; }

        }



        public string RootValue

        {

            get { return rootValue; }

            set { rootValue = value; }

        }



        public string ValueField

        {

            get { return valueField; }

            set { valueField = value; }

        }



        public string TextField

        {

            get { return textField; }

            set { textField = value; }

        }



        public string NodeField

        {

            get { return nodeField; }

            set { nodeField = value; }

        }



        public string ParentField

        {

            get { return parentField; }

            set { parentField = value; }

        }



        #endregion

    }



}

View Code

1.B.3,

1.C,下载地址返回顶部

 

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