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45 lines
1.5 KiB
45 lines
1.5 KiB
6 years ago
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//SubSection函数-Oracle查询参数个数限制
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package com.fr.function;
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import com.fr.general.FArray;
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import com.fr.script.AbstractFunction;
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public class SubSection extends AbstractFunction {
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public Object run(Object[] args) {
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// 获取第一个对象，即取得传入的参数
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Object para = args[0];
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String parastr = para.toString();
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// 由于是复选参数，因此要去掉前后的"("和")"
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if (parastr.startsWith("(") && parastr.endsWith(")")) {
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parastr = parastr.substring(1, parastr.length() - 1);
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}
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// 将字符串转为","分割的数组
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String test[] = parastr.split(",");
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int len = test.length;
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int loopnum = len / 500;
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if (len % 500 != 0) {
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loopnum += 1;
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}
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;
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// 返回的值是数组，需要定义成我们内部的类型FArray
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FArray result = new FArray();
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String str = "";
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int k = 1;
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for (int i = 0; i < loopnum; i++) {
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for (int j = 500 * i; j < 500 * (i + 1) && j < len; j++) {
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if (k != 500 && j != (len - 1)) {
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str += test[j] + ",";
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} else {
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str += test[j];
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}
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k++;
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}
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// 每500个形成一组并在每组外部加上"("和")"
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str = "(" + str + ")";
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result.add(str);
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str = "";
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k = 1;
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}
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return result;
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}
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}
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