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我在從結果集中獲取想要的結果時出現問題。我不知道如何編碼。我的問題是我有一個具有將被提供,但文本框進入4問號的查詢,但我不知道如何編寫它...代碼使用Java搜索SQL數據庫(多文本字段搜索)
String descr = desc.getText();
String mat = matl.getText();
String siz = size.getText();
String prod = product.getText();
String sql = "SELECT DISTINCT [Filename], [Path], D.LatestRevisionNo From Documents D INNER JOIN [dbo].[DocumentsInProjects] DP ON DP.DocumentID = D.DocumentID INNER JOIN [dbo].[Projects] P ON DP.ProjectID = P.ProjectID INNER JOIN [dbo].[VariableValue] VV ON VV.DocumentID = D.DocumentID WHERE (VV.variableID = 79 AND VV.ValueText = ?) OR (VV.variableID = 92 AND VV.ValueText = ?) OR (VV.variableID = 328 AND VV.ValueText = ?) OR (VV.variableID = 351 AND VV.ValueText = ?) GROUP BY D.Filename, P.Path, D.LatestRevisionNo HAVING COUNT(DISTINCT ValueText) = 4 AND Filename LIKE '%sld%' order by d.filename";
String host = "jdbc:sqlserver://localhost:1433;databaseName=AWC_Vault;user=SVC_equivaq_cache;password=NMVBm5a5n7zURnfp0K4y;";
con = DriverManager.getConnection(host);
PreparedStatement pstmt = con.prepareStatement(sql);
pstmt.setString(1, descr);
pstmt.setString(2, mat);
pstmt.setString(3, siz);
pstmt.setString(4, prod);
set = pstmt.executeQuery();
如何鏈接的DESCR,墊子,siz,刺激'?'標記在SQL字符串和我正確使用PreparedStatement?
Php對於這個任務來說好得多 –
你的代碼看起來相當正確,它不起作用嗎? – Kayaman
單擊該按鈕時,不會將任何值輸出到textarea –