二开案例.单据插件.单据审核中字段解锁(加强版)

栏目：云星空知识作者：金蝶来源：金蝶云社区发布：2024-09-23浏览：1

【应用场景】

单据已进入审核中状态，通过插件解锁某些字段，使之可以被修改保存。

【案例演示】

采购申请单，单据状态审核中，解锁申请人字段。

【实现步骤】

<1>编写单据插件，代码如下。

using Kingdee.BOS.Core.Bill.PlugIn;
using Kingdee.BOS.Core.DynamicForm;
using Kingdee.BOS.Core.DynamicForm.PlugIn.Args;
using Kingdee.BOS.Core.Metadata;
using Kingdee.BOS.Util;
using System;
using System.ComponentModel;
using System.Reflection;
namespace Jac.XkDemo.BOS.Business.PlugIn
{
    /// <summary>
    /// 【单据插件】单据审核中字段解锁
    /// 普通版：https://vip.kingdee.com/article/348435650867523328
    /// 加强版：https://vip.kingdee.com/article/352121538449613312
    /// </summary>
    [Description("【单据插件】单据审核中字段解锁"), HotUpdate]
    public class UnLockFieldWhenAuditBillPlugIn : AbstractBillPlugIn
    {
        private const string FieldKey = "FApplicantId";
        public override void AfterBindData(EventArgs e)
        {
            base.AfterBindData(e);
            UnLockField(FieldKey);
        }
        public override void BeforeBindData(EventArgs e)
        {
            base.BeforeBindData(e);
            UnLockField(FieldKey);
        }
        public override void AfterLoadData(EventArgs e)
        {
            base.AfterLoadData(e);
            UnLockField(FieldKey);
        }
        public override void AfterUpdateViewState(EventArgs e)
        {
            base.AfterUpdateViewState(e);
            UnLockField(FieldKey);
        }
        public override void AfterDoOperation(AfterDoOperationEventArgs e)
        {
            base.AfterDoOperation(e);
            if (e.Operation.OperationId == 8)
            {
                UnLockField(FieldKey);
            }
        }
        /// <summary>
        /// 解锁字段
        /// </summary>
        /// <param name="key"></param>
        private void UnLockField(string key)
        {
            // 工作流插件：Kingdee.BOS.Workflow.PlugIns.WorkflowControl.WorkflowControlEdit.AfterLoadData，该插件会判断当前用户是否是当前单据的当前流程节点的处理人，如果不是，会把单据状态从编辑状态改为查看状态。
            // 如果仍然不能解锁字段，请把此段代码的取消注释
            //if (this.View.OpenParameter.Status == OperationStatus.VIEW)
            //{
            //    this.View.OpenParameter.Status = OperationStatus.EDIT;
            //    // 启动修改网控
            //    var result = this.View.StartNetworkCtrl();
            //    if (!result.StartSuccess)
            //    {
            //        // 启动网控失败，为避免数据修改冲突，改回查看状态
            //        this.View.OpenParameter.Status = OperationStatus.VIEW;
            //    }
            //}
            // 解锁保存按钮
            this.View.GetMainBarItem("tbSplitSave").Enabled = true;
            // 解锁实体服务规则产生的锁定控制
            //var entityServiceRuleUd = "14642d1f-46c6-4afa-aa52-f7e19a21c776";// 实体服务规则的内码要去元数据XML中获取
            //this.View.StyleManager.SetEnabled(key, entityServiceRuleUd, true);
            // 解锁单据状态产生的锁定控制
            //this.View.StyleManager.SetEnabled(key, "BillStatusByHead", true);
            //this.View.StyleManager.SetEnabled(key, "BillStatusByEntry", true);
            // 解锁其它未知的锁定控制
            this.View.StyleManager.SetEnabled(key, "", true);
            // 解锁初始状态的锁定控制
            UnLockFieldInitStatus(key);
            // 解锁初始状态的锁定控制
            UnLockFieldFormState(key);
            //this.View.ShowMessage("字段已解锁！");
        }
        /// <summary>
        /// 解锁初始状态的锁定控制
        /// </summary>
        /// <param name="key"></param>
        /// <returns></returns>
        private void UnLockFieldInitStatus(string key)
        {
            try
            {
                var bosStyleManager = this.View.StyleManager;
                var _enabledStore = RefUtils.GetFieldValue(bosStyleManager, BindingFlags.Instance | BindingFlags.NonPublic, "_enabledStore");
                if (_enabledStore == null)
                {
                    return;
                }
                var _controlInitAppearanceStyles = RefUtils.GetFieldValue(_enabledStore, _enabledStore.GetType().BaseType.BaseType.BaseType, BindingFlags.Instance | BindingFlags.NonPublic, "_controlInitAppearanceStyles");
                if (_controlInitAppearanceStyles == null)
                {
                    return;
                }
                var hasKey = RefUtils.GetMethodInvokeValue(_controlInitAppearanceStyles, BindingFlags.Instance | BindingFlags.Public, "ContainsKey", new object[] { key });
                if (hasKey == null || !Convert.ToBoolean(hasKey))
                {
                    return;
                }
                object value2 = null;
                var enabledValue = RefUtils.GetMethodInvokeValue(_controlInitAppearanceStyles, BindingFlags.Instance | BindingFlags.Public, "TryRemove", new object[] { key, value2 });
            }
            catch
            {
            }
        }
        /// <summary>
        /// 解锁界面状态管理器的锁定控制
        /// </summary>
        /// <param name="key"></param>
        private void UnLockFieldFormState(string key)
        {
            try
            {
                //_formState.SetEnabled(key, newValue);
                var bosStyleManager = this.View.StyleManager;
                var _formState = RefUtils.GetFieldValue(bosStyleManager, BindingFlags.Instance | BindingFlags.NonPublic, "_formState") as IDynamicFormState;
                if (_formState == null)
                {
                    return;
                }
                _formState.SetEnabled(key, true);
            }
            catch
            {
            }
        }
        #region 反射工具类
        /// <summary>
        /// 反射工具类
        /// </summary>
        public static class RefUtils
        {
            /// <summary>
            /// 获取字段值
            /// </summary>
            /// <param name="instance"></param>
            /// <param name="bindingAttr"></param>
            /// <param name="fieldName"></param>
            /// <returns></returns>
            public static object GetFieldValue(object instance, BindingFlags bindingAttr, string fieldName)
            {
                return GetFieldValue(instance, instance.GetType(), bindingAttr, fieldName);
            }
            /// <summary>
            /// 获取字段值
            /// </summary>
            /// <param name="instance"></param>
            /// <param name="instranceType"></param>
            /// <param name="bindingAttr"></param>
            /// <param name="fieldName"></param>
            /// <returns></returns>
            public static object GetFieldValue(object instance, Type instranceType, BindingFlags bindingAttr, string fieldName)
            {
                var field = instranceType.GetField(fieldName, bindingAttr);
                if (field == null)
                {
                    return null;
                }
                return field.GetValue(instance);
            }
            /// <summary>
            /// 调用方法，获取方法返回值
            /// </summary>
            /// <param name="instance"></param>
            /// <param name="bindingAttr"></param>
            /// <param name="methodName"></param>
            /// <param name="methodArgs"></param>
            /// <returns></returns>
            public static object GetMethodInvokeValue(object instance, BindingFlags bindingAttr, string methodName, object[] methodArgs)
            {
                return GetMethodInvokeValue(instance, instance.GetType(), bindingAttr, methodName, methodArgs);
            }
            /// <summary>
            /// 调用方法，获取方法返回值
            /// </summary>
            /// <param name="instance"></param>
            /// <param name="instranceType"></param>
            /// <param name="bindingAttr"></param>
            /// <param name="methodName"></param>
            /// <param name="methodArgs"></param>
            /// <returns></returns>
            public static object GetMethodInvokeValue(object instance, Type instranceType, BindingFlags bindingAttr, string methodName, object[] methodArgs)
            {
                var method = instranceType.GetMethod(methodName, bindingAttr);
                return method.Invoke(instance, methodArgs);
            }
        }
        #endregion
    }
}

<2>拷贝插件组件到应用站点的WebSite\Bin目录下，重启IIS。