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.net 调用Excel 这样关闭进程

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环境:

windows server 2008r2 
iis7.5
.net4.0

/*这样流程后 Excel进程不再滞留*/

经反复测试，终于可以关闭了，里面有些代码也许多余，以后继续完善测试

            book.Save();

            book.Close(false, missing, missing);

            
           
              xlApp.Workbooks.Close();
              sheet = null;

              Marshal.ReleaseComObject(book);
              book = null;
            
             
              int generation = System.GC.GetGeneration(xlApp);
 
              xlApp.Quit();
              Marshal.ReleaseComObject(xlApp);

 
              System.GC.Collect(generation);
              xlApp = null;

 

 

 

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