java     contorller

import net.sf.json.JSONArray;
import net.sf.json.JSONObject;

String content = inBankOdd.getContent().replace(""","\"");
      if(!content.equals("") && content != null){
         JSONArray jsonArray = JSONArray.fromObject(content);
         if(jsonArray.size()>0
 
){
            int num = 0 ;
            double sumI = 0 ;
            double sumP = 0 ;
            for(int i=0;i<jsonArray.size();i++){
               JSONObject object = jsonArray.getJSONObject(i);  // 遍歷 jsonarray 陣列，把每一個物件轉成 json 物件
String id = object.getString("id");
String inDis = object.getString("inDis"
 
);
String number = object.getString("number");
String price = object.getString("price");
String pricing = "0";
String practical = "0";
               if(!price.isEmpty() && !number.isEmpty()){
                  pricing = new BigDecimal(number).multiply(new BigDecimal(price)).toString();      //單價乘數量   碼洋
 
sumI = new BigDecimal(sumI).add(new BigDecimal(pricing)).doubleValue();          //碼洋累加
}
               if(!inDis.isEmpty() && !pricing.equals("0")){
                  practical = new BigDecimal(pricing).multiply(new BigDecimal(inDis)).toString();    //入庫折扣乘碼洋   實洋
sumP = new BigDecimal(sumP).add(new BigDecimal(practical)).doubleValue();        //實洋累加
} else {
                  practical = pricing ;
}
//             String teachingMaterialNumber = teachingMaterial.getNumber().trim();
//             if(teachingMaterialNumber != null && teachingMaterialNumber.length() != 0) {
//                if(!number.isEmpty()){
//                   teachingMaterial.setNumber(String.valueOf((Integer.valueOf(number)+Integer.valueOf(teachingMaterial.getNumber()))));
//                   num += Integer.valueOf(number);                                           //數量累加
//                }
//             } else {
//                teachingMaterial.setNumber(number);
//             }
}
            inBankOdd.setContent(content);
inBankOdd.setNumber(String.valueOf(num));
inBankOdd.setPricing(String.valueOf(sumI));
inBankOdd.setPractical(String.valueOf(sumP));
}
      }