|  | @@ -404,6 +404,7 @@ $(document).ready(() => {
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				|  |  |                      }
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				|  |  |                  }
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				|  |  |                  // 获取更新数据
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				|  |  | +                const exprInfo = getExprInfo(col.field);
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				|  |  |                  if (info.editingText) {
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				|  |  |                      const text = newValue;
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				|  |  |                      if (node.used && (col.field === 'code' || col.field ==='b_code') && orgValue !== '' && text === '') {
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				|  | @@ -413,7 +414,6 @@ $(document).ready(() => {
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				|  |  |                      }
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				|  |  |                      if (col.type === 'Number') {
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				|  |  |                          const num = _.toNumber(text);
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				|  |  | -                        const exprInfo = getExprInfo(col.field);
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				|  |  |                          if (_.isFinite(num)) {
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				|  |  |                              data[col.field] = num;
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				|  |  |                              if (exprInfo) {
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				|  | @@ -441,6 +441,9 @@ $(document).ready(() => {
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				|  |  |                          return;
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				|  |  |                      }
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				|  |  |                      data[col.field] = null;
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				|  |  | +                    if (exprInfo) {
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				|  |  | +                        data[exprInfo.expr] = '';
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				|  |  | +                    }
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				|  |  |                  }
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				|  |  |                  // 更新至服务器
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				|  |  |                  postData(window.location.pathname + '/update', {postType: 'update', postData: data}, function (result) {
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