limit_choices_to

本文探讨了在Django框架中如何实现多对多关系的数据模型,具体介绍了'teachers'字段如何关联到'UserInfo'及'部门表',并限制了选择范围,确保了数据的一致性和准确性。

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 # 多对多   老师
    teachers = models.ManyToManyField(verbose_name='任课老师', to='UserInfo', related_name="abc", limit_choices_to={'depart__in': [1004, 1005]})

 老师 -> 用户表 -> 部门表

转载于:https://www.cnblogs.com/wt7018/p/11437332.html

Rebuild started: Project: Project *** Using Compiler 'V6.22', folder: 'E:\Keil_v5\ARM\ARMCLANG\Bin' Rebuild target 'Target 1' assembling startup_stm32f10x_md.s... Start/core_cm3.c(445): error: non-ASM statement in naked function is not supported 445 | uint32_t result=0; | ^ Start/core_cm3.c(442): note: attribute is here 442 | uint32_t __get_PSP(void) __attribute__( ( naked ) ); | ^ Start/core_cm3.c(465): error: parameter references not allowed in naked functions 465 | "BX lr \n\t" : : "r" (topOfProcStack) ); | ^ Start/core_cm3.c(461): note: attribute is here 461 | void __set_PSP(uint32_t topOfProcStack) __attribute__( ( naked ) ); | ^ Start/core_cm3.c(479): error: non-ASM statement in naked function is not supported 479 | uint32_t result=0; | ^ Start/core_cm3.c(476): note: attribute is here 476 | uint32_t __get_MSP(void) __attribute__( ( naked ) ); | ^ Start/core_cm3.c(499): error: parameter references not allowed in naked functions 499 | "BX lr \n\t" : : "r" (topOfMainStack) ); | ^ Start/core_cm3.c(495): note: attribute is here 495 | void __set_MSP(uint32_t topOfMainStack) __attribute__( ( naked ) ); | ^ 4 errors generated. compiling core_cm3.c... compiling misc.c... compiling system_stm32f10x.c... compiling stm32f10x_adc.c... compiling stm32f10x_dac.c... compiling stm32f10x_exti.c... compiling stm32f10x_dbgmcu.c... compiling stm32f10x_dma.c... compiling stm32f10x_crc.c... compiling stm32f10x_cec.c... compiling stm32f10x_bkp.c... compiling stm32f10x_can.c... compiling stm32f10x_flash.c... compiling stm32f10x_pwr.c... compiling stm32f10x_fsmc.c... compiling stm32f10x_
03-31
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