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分享用ireport查询数据时的数据格式转化问题，急！
在数据转换的时候总是把其他类型都转化成java.math.BigDecimal，我的字段本来是String，它也转成BigDecimal格式，这是为什么的，请各位高手解答一下，感激不尽！
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baijing2000 2006-12-27
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直接改XML,就OK了.
killme2008 2006-10-28
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幸福地接分
Onelee 2006-10-28
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。。。。啊哦
startears2002 2006-10-28
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已解决，快来取分啊！
startears2002 2006-10-28
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报错信息
Errors compiling .\first.jasper!
it.businesslogic.ireport.ReportClassLoader@1775ec net.sf.jasperreports.engine.JRException: Errors were encountered when compiling report expressions class file: 1. Cannot cast from String to BigDecimal value = (java.math.BigDecimal)(((java.lang.String)field_ADNAME.getValue())); <-----------------------------------------------------------------> 2. Cannot cast from String to BigDecimal value = (java.math.BigDecimal)(((java.lang.String)field_ADNAME.getValue())); <-----------------------------------------------------------------> 3. Cannot cast from String to BigDecimal value = (java.math.BigDecimal)(((java.lang.String)field_VMSZONE.getValue())); <------------------------------------------------------------------> 4. Cannot cast from String to BigDecimal value = (java.math.BigDecimal)(((java.lang.String)field_ADNAME.getOldValue())); <--------------------------------------------------------------------> 5. Cannot cast from String to BigDecimal value = (java.math.BigDecimal)(((java.lang.String)field_ADNAME.getOldValue())); <--------------------------------------------------------------------> 6. Cannot cast from String to BigDecimal value = (java.math.BigDecimal)(((java.lang.String)field_VMSZONE.getOldValue())); <---------------------------------------------------------------------> 7. Cannot cast from String to BigDecimal value = (java.math.BigDecimal)(((java.lang.String)field_ADNAME.getValue())); <-----------------------------------------------------------------> 8. Cannot cast from String to BigDecimal value = (java.math.BigDecimal)(((java.lang.String)field_ADNAME.getValue())); <-----------------------------------------------------------------> 9. Cannot cast from String to BigDecimal value = (java.math.BigDecimal)(((java.lang.String)field_VMSZONE.getValue())); <------------------------------------------------------------------> 9 errors at net.sf.jasperreports.engine.design.JRAbstractCompiler.compileReport(JRAbstractCompiler.java:193) at net.sf.jasperreports.engine.design.JRDefaultCompiler.compileReport(JRDefaultCompiler.java:105) at net.sf.jasperreports.engine.JasperCompileManager.compileReportToFile(JasperCompileManager.java:127) at net.sf.jasperreports.engine.JasperCompileManager.compileReportToFile(JasperCompileManager.java:109) at it.businesslogic.ireport.IReportCompiler.run(IReportCompiler.java:507) at java.lang.Thread.run(Unknown Source)
Errors compiling .\first.jasper!
it.businesslogic.ireport.ReportClassLoader@1775ec net.sf.jasperreports.engine.JRException: Errors were encountered when compiling report expressions class file: 1. Cannot cast from String to BigDecimal value = (java.math.BigDecimal)(((java.lang.String)field_ADNAME.getValue())); <-----------------------------------------------------------------> 2. Cannot cast from String to BigDecimal value = (java.math.BigDecimal)(((java.lang.String)field_ADNAME.getValue())); <-----------------------------------------------------------------> 3. Cannot cast from String to BigDecimal value = (java.math.BigDecimal)(((java.lang.String)field_VMSZONE.getValue())); <------------------------------------------------------------------> 4. Cannot cast from String to BigDecimal value = (java.math.BigDecimal)(((java.lang.String)field_ADNAME.getOldValue())); <--------------------------------------------------------------------> 5. Cannot cast from String to BigDecimal value = (java.math.BigDecimal)(((java.lang.String)field_ADNAME.getOldValue())); <--------------------------------------------------------------------> 6. Cannot cast from String to BigDecimal value = (java.math.BigDecimal)(((java.lang.String)field_VMSZONE.getOldValue())); <---------------------------------------------------------------------> 7. Cannot cast from String to BigDecimal value = (java.math.BigDecimal)(((java.lang.String)field_ADNAME.getValue())); <-----------------------------------------------------------------> 8. Cannot cast from String to BigDecimal value = (java.math.BigDecimal)(((java.lang.String)field_ADNAME.getValue())); <-----------------------------------------------------------------> 9. Cannot cast from String to BigDecimal value = (java.math.BigDecimal)(((java.lang.String)field_VMSZONE.getValue())); <------------------------------------------------------------------> 9 errors at net.sf.jasperreports.engine.design.JRAbstractCompiler.compileReport(JRAbstractCompiler.java:193) at net.sf.jasperreports.engine.design.JRDefaultCompiler.compileReport(JRDefaultCompiler.java:105) at net.sf.jasperreports.engine.JasperCompileManager.compileReportToFile(JasperCompileManager.java:127) at net.sf.jasperreports.engine.JasperCompileManager.compileReportToFile(JasperCompileManager.java:109) at it.businesslogic.ireport.IReportCompiler.run(IReportCompiler.java:507) at java.lang.Thread.run(Unknown Source)
