where 1=1
${if(len(bm)=0,"","and a.表中字段名称1 in('"+ bm + "')")}
${if(len(xm)=0,"","and a.表中字段名称2 in('"+ xm + "')")}
${if(len(erbm)=0,"","and a.表中字段名称3 in('"+ erbm + "')")}
${if(len(gw)=0,"","and a.表中字段名称4 in('"+ gw + "')")}
${if(len(phone)=0,"","and a.表中字段名称5 ='"+ phone + "'")}
${if(len(msjg)=0,"","and a.表中字段名称6 in('"+ msjg + "')")}
${if(len(msly)=0,"","and a.表中字段名称7 in('"+ msly + "')")}