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請問下如何能把數據庫中的數據轉化成json格式然后在網頁中調用,不用php

請問下如何能把數據庫中的數據轉化成json格式然后在網頁中調用,不用php

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慕勒0069038

TA貢獻143條經驗 獲得超39個贊

public?String?resultSetToJson(ResultSet?rs)?throws?SQLException,JSONException??

{??

???//?json數組??

???JSONArray?array?=?new?JSONArray();??

????

???//?獲取列數??

???ResultSetMetaData?metaData?=?rs.getMetaData();??

???int?columnCount?=?metaData.getColumnCount();??

????

???//?遍歷ResultSet中的每條數據??

????while?(rs.next())?{??

????????JSONObject?jsonObj?=?new?JSONObject();??

?????????

????????//?遍歷每一列??

????????for?(int?i?=?1;?i?<=?columnCount;?i++)?{??

????????????String?columnName?=metaData.getColumnLabel(i);??

????????????String?value?=?rs.getString(columnName);??

????????????jsonObj.put(columnName,?value);??

????????}???

????????array.put(jsonObj);???

????}??

????

???return?array.toString();??

}??


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1 反對 回復 2017-04-17
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慕瓜9220888

TA貢獻868條經驗 獲得超0個贊

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反對 回復 2021-10-19
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