fix #4207

src/components/table/table.vue

@@ -149,6 +149,10 @@
             height: {
                 type: [Number, String]
             },
+            // 3.4.0
+            maxHeight: {
+                type: [Number, String]
+            },
             stripe: {
                 type: Boolean,
                 default: false
@@ -275,6 +279,10 @@
                     const height = parseInt(this.height);
                     style.height = `${height}px`;
                 }
+                if (this.maxHeight) {
+                    const maxHeight = parseInt(this.maxHeight);
+                    style.maxHeight = `${maxHeight}px`;
+                }
                 if (this.width) style.width = `${this.width}px`;
                 return style;
             },
@@ -336,7 +344,11 @@
                 let style = {};
                 if (this.bodyHeight !== 0) {
                     const height = this.bodyHeight;
-                    style.height = `${height}px`;
+                    if (this.height) {
+                        style.height = `${height}px`;
+                    } else if (this.maxHeight) {
+                        style.maxHeight = `${height}px`;
+                    }
                 }
                 return style;
             },
@@ -548,7 +560,7 @@
                 this.objData[_index]._isExpanded = status;
                 this.$emit('on-expand', JSON.parse(JSON.stringify(this.cloneData[_index])), status);
                 
-                if(this.height){
+                if(this.height || this.maxHeight){
                     this.$nextTick(()=>this.fixedBody());
                 }
             },
@@ -578,12 +590,16 @@
             },
             
             fixedHeader () {
-                if (this.height) {
+                if (this.height || this.maxHeight) {
                     this.$nextTick(() => {
                         const titleHeight = parseInt(getStyle(this.$refs.title, 'height')) || 0;
                         const headerHeight = parseInt(getStyle(this.$refs.header, 'height')) || 0;
                         const footerHeight = parseInt(getStyle(this.$refs.footer, 'height')) || 0;
-                        this.bodyHeight = this.height - titleHeight - headerHeight - footerHeight;
+                        if (this.height) {
+                            this.bodyHeight = this.height - titleHeight - headerHeight - footerHeight;
+                        } else if (this.maxHeight) {
+                            this.bodyHeight = this.maxHeight - titleHeight - headerHeight - footerHeight;
+                        }
                         this.$nextTick(()=>this.fixedBody());
                     });
                 } else {
@@ -986,6 +1002,9 @@
             height () {
                 this.handleResize();
             },
+            maxHeight () {
+                this.handleResize();
+            },
             showHorizontalScrollBar () {
                 this.handleResize();
             },

src/styles/components/table.less

@@ -7,6 +7,7 @@
         border: 1px solid @border-color-base;
         border-bottom: 0;
         border-right: 0;
+        overflow: hidden; // 开启 max-height 时，没有 overflow: hidden，则底部多出 1px，早期没有 overflow 是因为有些控件没有加 transfer
     }
     width: inherit;
     height: 100%;