using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;namespace TestPractice.Model{    public class Person    {        private string name;        public string Name        {            get { return name; }            set { name = value; }        }        private string age;        public string Age        {            get { return age; }            set { age = value; }        }        public Person(string name, string age)        {            this.Name = name;            this.Age = age;        }    }}

using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;using TestPractice.Model;namespace TestPractice.Service{    interface IPersonInformation    {        List<Person> GetPersonInformation();       }}

using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;using TestPractice.Model;namespace TestPractice.Service{    public class PersonInformation:IPersonInformation    {        public List<Person> GetPersonInformation()        {            List<Person> personList = new List<Person>();            personList.Add(new Person("张学健", "19"));            personList.Add(new Person("李四", "20"));            personList.Add(new Person("王五", "21"));            personList.Add(new Person("孙红雷", "22"));            return personList;        }    }}

using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;using TestPractice.Model;namespace TestPractice.Service{    interface IQueryService    {        Person Searching(string up);    }}

using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;using TestPractice.Model;namespace TestPractice.Service{    class QueryService : IQueryService    {        public Person Searching(string SearchText)        {            PersonInformation per = new PersonInformation();            List<Person> Members = per.GetPersonInformation();            Person p= new Person("","");            if (!string.IsNullOrEmpty(SearchText))            {                foreach (var i in Members)                {                    if (i.Name.Contains(SearchText))                    {                        return i;                    }                }                            }            return p;        }    }}

using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;using TestPractice.Model;namespace TestPractice.Service{    class QueryService : IQueryService    {        public Person Searching(string SearchText)        {            PersonInformation per = new PersonInformation();            List<Person> Members = per.GetPersonInformation();            Person p= new Person("","");            if (!string.IsNullOrEmpty(SearchText))            {                foreach (var i in Members)                {                    if (i.Name.Contains(SearchText))                    {                        return i;                    }                }                            }            return p;        }    }}

<Window x:Class="TestPractice.MainWindow"        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"        Title="公司人员查询系统" Height="350" Width="525"        WindowStartupLocation="CenterScreen">    <Grid>        <Grid.RowDefinitions>            <RowDefinition Height="Auto" />            <RowDefinition Height="*" />        </Grid.RowDefinitions>        <Border BorderBrush="Black" BorderThickness="1" CornerRadius="6" Padding="2" Grid.Row="0">        <StackPanel>            <StackPanel Orientation="Horizontal">                <TextBlock Text="公司人员查询系统" FontSize="20"  FontFamily="LiShu"  TextAlignment="Center" Width="517"/>            </StackPanel>        </StackPanel>        </Border>        <Border BorderBrush="Black" BorderThickness="1" CornerRadius="6" Padding="6" Grid.Row="1">            <StackPanel>                <StackPanel Orientation="Horizontal">                    <TextBlock Text="姓名：" FontSize="15"  FontFamily="LiShu" Height="20" />                    <TextBox FontSize="15"  FontFamily="LiShu" Width="155" Text="{Binding SearchText,Mode=TwoWay}"/>                </StackPanel>            </StackPanel>        </Border>        <Border BorderBrush="Black" BorderThickness="1" CornerRadius="6" Padding="6" Grid.Row="2">            <Button Content="查询" FontSize="15" Margin="255,0,167,242" Command="{Binding SeacheringCommand}"/>        </Border>        <Border BorderBrush="Black" BorderThickness="1" CornerRadius="6" Padding="6" Grid.Row="3">            <StackPanel>                <StackPanel Orientation="Horizontal" Height="270">                    <TextBlock Text="姓名：" FontSize="15"  FontFamily="LiShu" Margin="10,89,0,0" Width="56" Height="31" VerticalAlignment="Top" />                    <Label Content="{Binding P.Name,Mode=TwoWay}" FontSize="15" Width="150" Margin="0,77,0,161" RenderTransformOrigin="0.577,0.743"></Label>                </StackPanel>            </StackPanel>        </Border>        <Border BorderBrush="Black" BorderThickness="1" CornerRadius="6" Padding="6" Grid.Row="4">            <StackPanel>                <StackPanel Orientation="Horizontal" Height="270">                    <TextBlock Text="年龄：" FontSize="15"  FontFamily="LiShu" Margin="10,164,0,75" Width="56" Height="31" RenderTransformOrigin="2.091,0.55" />                    <Label Content="{Binding P.Age,Mode=TwoWay}" FontSize="15" Width="150" Margin="0,153,0,75" RenderTransformOrigin="0.577,0.743"></Label>                </StackPanel>            </StackPanel>        </Border>    </Grid></Window>