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Asp.NET调用百度翻译的方法

时间：2020-06-26 01:23 编辑：来源：阅读：
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摘要：Asp.NET调用百度翻译的方法

本文实例讲述了Asp.NET调用百度翻译的方法。分享给大家供大家参考。具体分析如下： Asp.NET调用百度翻译，如下图所示： [img]http://files.jb51.net/file_images/article/201502/2015216160421690.png?201511616443[/img] HTML代码如下:

[u]复制代码[/u] 代码如下:

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="baidu.aspx.cs" Inherits="FanYi_baidu" %> 

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 

<html xmlns="http://www.w3.org/1999/xhtml"> 

<head runat="server"> 

    <title>OA翻译</title> 

</head> 

<body> 

    <form id="form1" runat="server"> 

    <div> 

        <asp:TextBox ID="sourceWord" runat="server" Columns="50" Rows="15" style="width:100%;" 

            TextMode="MultiLine"></asp:TextBox> 

        <br /> 

        源语言：<asp:DropDownList ID="ddlFrom" runat="server"> 

            <asp:ListItem Value="auto">自动检测</asp:ListItem> 

            <asp:ListItem Value="zh">中文</asp:ListItem> 

            <asp:ListItem Value="en">英文</asp:ListItem> 

            <asp:ListItem Value="jp">日文</asp:ListItem> 

        </asp:DropDownList> 

        目标语言：<asp:DropDownList ID="ddlTo" runat="server"> 

            <asp:ListItem Value="auto">自动检测</asp:ListItem> 

            <asp:ListItem Value="zh">中文</asp:ListItem> 

            <asp:ListItem Value="en">英文</asp:ListItem> 

            <asp:ListItem Value="jp">日文</asp:ListItem> 

        </asp:DropDownList> 

        <asp:Button ID="Translate" 

            runat="server" Text="翻译" onclick="Translate_Click" /> 

        <br /> 

        <asp:TextBox ID="resultText" runat="server" TextMode="MultiLine" Rows="15" Columns="50" style="width:100%;"></asp:TextBox> 

    </div> 

    </form> 

</body> 

</html>

C#代码如下:

[u]复制代码[/u] 代码如下:

using System; 

using System.Collections.Generic; 

using System.IO; 

using System.Net; 

using System.Runtime.Serialization; 

using System.Runtime.Serialization.Json; 

using System.Text; 

using System.Web; 

public partial class FanYi_baidu : System.Web.UI.Page 

{ 

    string url = @"http://openapi.baidu.com/public/2.0/bmt/translate"; 

    string requestDetail = "client_id=申请的ID"; 

    protected void Page_Load(object sender, EventArgs e) 

    { 

    } 

    [DataContract] 

    public class AdmAccessToken 

    { 

        [DataMember] 

        public string from { get; set; } 

        [DataMember] 

        public string to { get; set; } 

        [DataMember] 

        public string error_code { get; set; } 

        [DataMember] 

        public string error_msg { get; set; } 

        [DataMember] 

        public string query { get; set; } 

        [DataMember] 

        public List<TokenResult> trans_result { get; set; } 

    } 

    [DataContract] 

    public class TokenResult 

    { 

        [DataMember] 

        public string src { get; set; } 

        [DataMember] 

        public string dst { get; set; } 

    } 

    //百度翻译返回数据结构 

    //{ 

    //"from": "en", 

    //"to": "zh", 

    //"trans_result": [ 

    //    { 

    //        "src": "today", 

    //        "dst": "今天" 

    //    }, 

    //    { 

    //        "src": "tomorrow", 

    //        "dst": "明天" 

    //    } 

    //], 

    //"error_code": "52001", 

    //"error_msg": "TIMEOUT", 

    //"query": "he's" 

    //} 

    /// <summary> 

    /// 采用Post方式提交数据 

    /// </summary> 

    /// <param name="DatamarketAccessUri">目标网址</param> 

    /// <param name="requestDetails">参数字符串</param> 

    /// <returns></returns> 

    private AdmAccessToken HttpPost(string DatamarketAccessUri, string requestDetails) 

    { 

        //Prepare OAuth request  

        WebRequest webRequest = WebRequest.Create(DatamarketAccessUri); 

        webRequest.ContentType = "application/x-www-form-urlencoded"; 

        webRequest.Method = "POST"; 

        byte[] bytes = Encoding.ASCII.GetBytes(requestDetails); 

        webRequest.ContentLength = bytes.Length; 

        using (Stream outputStream = webRequest.GetRequestStream()) 

        { 

            outputStream.Write(bytes, 0, bytes.Length); 

        } 

        using (WebResponse webResponse = webRequest.GetResponse()) 

        { 

            DataContractJsonSerializer serializer = new DataContractJsonSerializer(typeof(AdmAccessToken)); 

            //Get deserialized object from JSON stream 

            AdmAccessToken token = (AdmAccessToken)serializer.ReadObject(webResponse.GetResponseStream()); 

            return token; 

        } 

    } 

    protected void Translate_Click(object sender, EventArgs e) 

    { 

        resultText.Text = ""; 

        if (sourceWord.Text.Trim() != "") 

        { 

            string requestStr = requestDetail + "&from=" + ddlFrom.SelectedValue 

                + "&to=" + ddlTo.SelectedValue 

                + "&q=" + HttpUtility.UrlEncode(sourceWord.Text); 

            AdmAccessToken token = HttpPost(url, requestStr); 

            if (token.error_code != null) 

            { 

                resultText.Text = token.error_msg; 

            } 

            else 

            { 

                int n = token.trans_result.Count; 

                for (int i = 0; i < n; i++) 

                { 

                    resultText.Text += token.trans_result[i].dst + (i < n-1 ? "\n" : ""); 

                } 

            } 

        } 

        else 

        { 

            resultText.Text = "请输入要翻译的内容"; 

        } 

    } 

}

希望本文所述对大家的C#程序设计有所帮助。

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