解决QComboBox下拉存在空白项的问题

[{"title":"（ 59 个子文件 135.26MB ） 解决QComboBox下拉存在空白项的问题","children":[{"title":"QComboBoxList","children":[{"title":".vs","children":[{"title":"QComboBoxList","children":[{"title":"v15","children":[{"title":"ipch","children":[{"title":"AutoPCH","children":[{"title":"ea8d9926914dcc8d","children":[{"title":"MOC_QTGUIAPPLICATION2.ipch <span style='color:#111;'> 97.31MB </span>","children":null,"spread":false}],"spread":true},{"title":"9c032b784d60a55c","children":[{"title":"QCOMBOBOXLIST.ipch <span style='color:#111;'> 98.00MB </span>","children":null,"spread":false}],"spread":true},{"title":"64275e03426ca92c","children":[{"title":"DATALIST.ipch <span style='color:#111;'> 91.19MB </span>","children":null,"spread":false}],"spread":true},{"title":"6496c6b4b3e925cf","children":[{"title":"QCOMBOBOXLIST.ipch <span style='color:#111;'> 95.88MB </span>","children":null,"spread":false}],"spread":true},{"title":"5b3887f9ee11d6a5","children":[{"title":"MAIN.ipch <span style='color:#111;'> 98.88MB </span>","children":null,"spread":false}],"spread":true},{"title":"3d6df98e05379457","children":[{"title":"XCOMBOBOX.ipch <span style='color:#111;'> 92.56MB </span>","children":null,"spread":false}],"spread":true},{"title":"ff1eb0ea9ee6be5a","children":[{"title":"MOC_XCOMBOBOX.ipch <span style='color:#111;'> 95.88MB </span>","children":null,"spread":false}],"spread":true}],"spread":true}],"spread":true},{"title":".suo <span style='color:#111;'> 31.50KB </span>","children":null,"spread":false},{"title":"Browse.VC.db <span style='color:#111;'> 22.70MB </span>","children":null,"spread":false}],"spread":true}],"spread":true}],"spread":true},{"title":"QComboBoxList","children":[{"title":"QComboBoxList.cpp <span style='color:#111;'> 2.74KB </span>","children":null,"spread":false},{"title":"XComboBox - 副本.cpp <span style='color:#111;'> 4.49KB </span>","children":null,"spread":false},{"title":"Debug","children":[{"title":"dataList.obj <span style='color:#111;'> 219.76KB </span>","children":null,"spread":false},{"title":"QtGuiApplication2.log <span style='color:#111;'> 746B </span>","children":null,"spread":false},{"title":"vc141.pdb <span style='color:#111;'> 2.57MB </span>","children":null,"spread":false},{"title":"moc_QComboBoxList.obj <span style='color:#111;'> 101.90KB </span>","children":null,"spread":false},{"title":"moc_dataList.obj <span style='color:#111;'> 105.44KB </span>","children":null,"spread":false},{"title":"qrc_QtGuiApplication2.obj <span style='color:#111;'> 5.73KB </span>","children":null,"spread":false},{"title":"qt_work.log <span style='color:#111;'> 4.02KB </span>","children":null,"spread":false},{"title":"XComboBox.obj <span style='color:#111;'> 238.09KB </span>","children":null,"spread":false},{"title":"main.obj <span style='color:#111;'> 103.46KB </span>","children":null,"spread":false},{"title":"QComboBoxList.tlog","children":[{"title":"moc.write.1u.tlog <span style='color:#111;'> 486B </span>","children":null,"spread":false},{"title":"CL.read.1.tlog <span style='color:#111;'> 157.72KB </span>","children":null,"spread":false},{"title":"moc.read.1u.tlog <span style='color:#111;'> 188B </span>","children":null,"spread":false},{"title":"QComboBoxList.lastbuildstate <span style='color:#111;'> 186B </span>","children":null,"spread":false},{"title":"link.read.1.tlog <span style='color:#111;'> 4.02KB </span>","children":null,"spread":false},{"title":"link.write.1.tlog <span style='color:#111;'> 930B </span>","children":null,"spread":false},{"title":"CL.write.1.tlog <span style='color:#111;'> 5.13KB </span>","children":null,"spread":false},{"title":"uic.write.1u.tlog <span style='color:#111;'> 218B </span>","children":null,"spread":false},{"title":"link.command.1.tlog <span style='color:#111;'> 2.00KB </span>","children":null,"spread":false},{"title":"QComboBoxList.write.1u.tlog <span style='color:#111;'> 8.44KB </span>","children":null,"spread":false},{"title":"uic.read.1u.tlog <span style='color:#111;'> 92B </span>","children":null,"spread":false},{"title":"rcc.write.1u.tlog <span style='color:#111;'> 226B </span>","children":null,"spread":false},{"title":"CL.command.1.tlog <span style='color:#111;'> 16.01KB </span>","children":null,"spread":false},{"title":"rcc.read.1u.tlog <span style='color:#111;'> 94B </span>","children":null,"spread":false}],"spread":false},{"title":"QComboBoxList.obj <span style='color:#111;'> 211.57KB </span>","children":null,"spread":false},{"title":"QtGuiApplication2.obj <span style='color:#111;'> 352.93KB </span>","children":null,"spread":false},{"title":"moc_XComboBox.obj <span style='color:#111;'> 111.82KB </span>","children":null,"spread":false},{"title":"qrc_dataList.obj <span style='color:#111;'> 5.67KB </span>","children":null,"spread":false},{"title":"moc_QtGuiApplication2.obj <span style='color:#111;'> 107.83KB </span>","children":null,"spread":false}],"spread":false},{"title":"QtGuiApplication2.vcxproj <span style='color:#111;'> 9.85KB </span>","children":null,"spread":false},{"title":"dataList.qrc <span style='color:#111;'> 77B </span>","children":null,"spread":false},{"title":"GeneratedFiles","children":[{"title":"Debug","children":[{"title":"moc_XComboBox.cpp <span style='color:#111;'> 9.68KB </span>","children":null,"spread":false},{"title":"moc_dataList.cpp <span style='color:#111;'> 2.63KB </span>","children":null,"spread":false},{"title":"moc_QtGuiApplication2.cpp <span style='color:#111;'> 2.79KB </span>","children":null,"spread":false},{"title":"moc_QComboBoxList.cpp <span style='color:#111;'> 3.50KB </span>","children":null,"spread":false}],"spread":true},{"title":"qrc_QtGuiApplication2.cpp <span style='color:#111;'> 1.42KB </span>","children":null,"spread":false},{"title":"ui_dataList.h <span style='color:#111;'> 3.40KB </span>","children":null,"spread":false},{"title":"qrc_dataList.cpp <span style='color:#111;'> 1.37KB </span>","children":null,"spread":false}],"spread":true},{"title":"main.cpp <span style='color:#111;'> 184B </span>","children":null,"spread":false},{"title":"dataList.cpp <span style='color:#111;'> 311B </span>","children":null,"spread":false},{"title":"XComboBox - 副本.h <span style='color:#111;'> 2.92KB </span>","children":null,"spread":false},{"title":"QtGuiApplication2.vcxproj.user <span style='color:#111;'> 635B </span>","children":null,"spread":false},{"title":"QtGuiApplication2.pro.user <span style='color:#111;'> 23.49KB </span>","children":null,"spread":false},{"title":"dataList.h <span style='color:#111;'> 222B </span>","children":null,"spread":false},{"title":"dataList.ui <span style='color:#111;'> 2.29KB </span>","children":null,"spread":false},{"title":"QtGuiApplication2.pro <span style='color:#111;'> 751B </span>","children":null,"spread":false},{"title":"QComboBoxList.h <span style='color:#111;'> 766B </span>","children":null,"spread":false},{"title":"QtGuiApplication2.vcxproj.filters <span style='color:#111;'> 2.11KB </span>","children":null,"spread":false}],"spread":false},{"title":"QComboBoxList.sln <span style='color:#111;'> 1.10KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]