我在mysql中有一个存储过程,它返回多行。Java/Mysql:获取存储过程中的所有结果行,而不仅仅是最后一个
我的Java代码得到执行,那就是:
preparedStmt = conn.prepareCall(queryString);
preparedStmt.setString(1, String.valueOf(patient_id));
//System.out.print("select patient data java file 1 ");
boolean results = preparedStmt.execute();
int rowsAffected = 0;
// Protects against lack of SET NOCOUNT in stored procedure
while (results || rowsAffected != -1) {
if (results) {
rs = preparedStmt.getResultSet();
break;
} else {
rowsAffected = preparedStmt.getUpdateCount();
}
results = preparedStmt.getMoreResults();
}
int i = 0;
obj = new JSONObject();
while (rs.next()) {
JSONArray alist = new JSONArray();
alist.put(rs.getString("patient_id"));
alist.put(rs.getString("allergy"));
alist.put(rs.getString("allergy_description"));
alist.put(rs.getString("allergy_onset_date"));
alist.put(rs.getString("agent_description"));
alist.put(rs.getString("agent"));
alist.put(rs.getString("severity"));
obj.put("ps_allergies", alist);
i++;
}
conn.close();
最后,ps_allergies JSON对象仅包含查询的最后一行。这是打印输出:
["1","week",null,"2017-07-07","vacation home","test2","mobile contact"]
我想ps_allergies
包含类似于
[["1","hydrogen peroxide","Nuts","2017-07-04","Nursing profressionals","43","Paramedical practinioners"],["1","week",null,"2017-07-07","vacation home","test2","mobile contact"]...]
东西你知道如何解决这一问题?
问题就在这里:'obj.put( “ps_allergies”,ALIST);'obj是地图,你把你所有的线路中的地图同样的钥匙。每个结果都会覆盖前一个结果。这就是为什么你只看到最后一行。 – StephaneM
@StephaneM是的,我明白。在json的新列表中可以有单独的行吗? – zinon