91 lines
3.0 KiB
C#
91 lines
3.0 KiB
C#
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using ADO_Web_3_Connect.Helper;
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using ADO_Web_3_Connect.Model;
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using Microsoft.AspNetCore.Mvc;
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namespace ADO_Web_3_Connect.Controller;
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[Route("api/[controller]")]
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public class NewsController : ControllerBase
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{
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[HttpGet]
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public async Task<List<News>> GetNews()
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{
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const string sql = "select * from news";
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var mySqlDataReader = await MysqlHelper.ExecuteReaderAsync(sql);
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var news = new List<News>();
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while (mySqlDataReader.Read())
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news.Add(new News
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{
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Id = mySqlDataReader.GetInt32(0),
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Title = mySqlDataReader.GetString(1),
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Content = mySqlDataReader.GetString(2),
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NewsTypeId = mySqlDataReader.GetInt32(3)
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});
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return news;
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}
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[HttpGet("{id:int}")]
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public async Task<News> GetNewsById(int id)
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{
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var sql =
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$"SELECT n.id, n.news_title, n.content, n.new_type AS news_type_id, nt.news_type_title FROM news n LEFT JOIN news_type nt ON nt.id = n.new_type WHERE n.id = {id}";
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var readerAsync = await MysqlHelper.ExecuteReaderAsync(sql);
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var news = new News();
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while (readerAsync.Read())
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news = new News
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{
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Id = readerAsync.GetInt32(0),
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Title = readerAsync.GetString(1),
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Content = readerAsync.GetString(2),
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NewsTypeId = readerAsync.GetInt32(3),
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NewsTypeTitle = readerAsync.GetString(4)
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};
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readerAsync.Close();
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return news;
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}
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[HttpGet("Query")]
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public async Task<List<News>> Query(string keyword)
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{
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var sql =
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$"SELECT n.id, n.news_title, n.content, n.new_type AS news_type_id, nt.news_type_title FROM news n LEFT JOIN news_type nt ON nt.id = n.new_type WHERE n.content LIKE '%{keyword}%' OR n.news_title LIKE '%{keyword}%'";
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var mySqlDataReader = await MysqlHelper.ExecuteReaderAsync(sql);
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var list = new List<News>();
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while (mySqlDataReader.Read())
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{
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var news = new News
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{
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Id = mySqlDataReader.GetInt32(0),
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Title = mySqlDataReader.GetString(1),
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Content = mySqlDataReader.GetString(2),
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NewsTypeId = mySqlDataReader.GetInt32(3),
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NewsTypeTitle = mySqlDataReader.GetString(4)
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};
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list.Add(news);
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}
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mySqlDataReader.Close();
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return list;
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}
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[HttpPost]
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public async Task<int> Create(News? news)
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{
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if (news == null) return 0;
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var sql =
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$"insert into news (id, news_title, content, new_type) values ({news.Id},'{news.Title}','{news.Content}',{news.NewsTypeId})";
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return await MysqlHelper.ExecuteNoeQueryAsync(sql);
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}
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[HttpDelete("{id:int}")]
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public async Task<ActionResult<int>> Delete(int id)
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{
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var executeNoeQueryAsync = await MysqlHelper.ExecuteNoeQueryAsync($"delete from news where id={id}");
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return executeNoeQueryAsync;
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}
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}
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